{"cve":{"cve_id":"CVE-2010-4180","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.09497,"epss_percentile":0.94806,"epss_as_of":"2026-06-23","description":"OpenSSL before 0.9.8q, and 1.0.x before 1.0.0c, when SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG is enabled, does not properly prevent modification of the ciphersuite in the session cache, which allows remote attackers to force the downgrade to an unintended cipher via vectors involving sniffing network traffic to discover a session identifier.","published_at":"2010-12-06T21:00:00Z","last_modified_at":"2026-06-16T23:24:18.130000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html","http://www.securitytracker.com/id?1024822","http://secunia.com/advisories/42473","http://secunia.com/advisories/42571","http://secunia.com/advisories/43170","http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471","http://www.vupen.com/english/advisories/2011/0268","http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html","http://support.apple.com/kb/HT4723","http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html","http://secunia.com/advisories/42493","http://secunia.com/advisories/43173","http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052027.html","http://www.vupen.com/english/advisories/2011/0032","http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html","http://secunia.com/advisories/43171","http://secunia.com/advisories/42620","http://www.securityfocus.com/archive/1/522176","http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html","http://ubuntu.com/usn/usn-1029-1","http://www.vupen.com/english/advisories/2010/3120","http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052315.html","http://www.vupen.com/english/advisories/2010/3122","http://secunia.com/advisories/43169","http://secunia.com/advisories/43172","http://marc.info/?l=bugtraq&m=132077688910227&w=2","http://www.securityfocus.com/bid/45164","http://osvdb.org/69565","https://bugzilla.redhat.com/show_bug.cgi?id=659462","http://www.kb.cert.org/vuls/id/737740","http://secunia.com/advisories/42469","http://www.securityfocus.com/archive/1/522176","http://marc.info/?l=bugtraq&m=130497251507577&w=2","http://secunia.com/advisories/42877","http://cvs.openssl.org/chngview?cn=20131","http://www.redhat.com/support/errata/RHSA-2010-0977.html","http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777","http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777","http://www.vupen.com/english/advisories/2010/3134","http://www.vupen.com/english/advisories/2010/3188","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18910","http://marc.info/?l=bugtraq&m=129916880600544&w=2","http://www.vupen.com/english/advisories/2011/0076","http://openssl.org/news/secadv_20101202.txt","http://www.redhat.com/support/errata/RHSA-2010-0978.html","http://secunia.com/advisories/44269","http://www.redhat.com/support/errata/RHSA-2011-0896.html","http://www.debian.org/security/2011/dsa-2141","http://marc.info/?l=bugtraq&m=130497251507577&w=2","http://marc.info/?l=bugtraq&m=132077688910227&w=2","http://marc.info/?l=bugtraq&m=129916880600544&w=2","http://www.mandriva.com/security/advisories?name=MDVSA-2010:248","http://www.redhat.com/support/errata/RHSA-2010-0979.html","https://kb.bluecoat.com/index?page=content&id=SA53&actp=LIST","http://secunia.com/advisories/42811"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:05:38.134006Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"10.10","version_start_inclusive":true,"version_end":"10.10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"6.06","version_start_inclusive":true,"version_end":"6.06","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"8.04","version_start_inclusive":true,"version_end":"8.04","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"9.04","version_start_inclusive":true,"version_end":"9.04","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"10.04","version_start_inclusive":true,"version_end":"10.04","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*"},{"vendor_slug":"debian","vendor_name":"Debian","product_slug":"debian-linux","product_name":"debian_linux","version_start":"5.0","version_start_inclusive":true,"version_end":"5.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*"},{"vendor_slug":"f5","vendor_name":"F5","product_slug":"nginx","product_name":"NGINX","version_start":null,"version_start_inclusive":null,"version_end":"0.9.2","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*"},{"vendor_slug":"fedoraproject","vendor_name":"fedoraproject","product_slug":"fedora","product_name":"fedora","version_start":"13","version_start_inclusive":true,"version_end":"13","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:*"},{"vendor_slug":"fedoraproject","vendor_name":"fedoraproject","product_slug":"fedora","product_name":"fedora","version_start":"14","version_start_inclusive":true,"version_end":"14","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*"},{"vendor_slug":"openssl","vendor_name":"OpenSSL","product_slug":"openssl","product_name":"OpenSSL","version_start":null,"version_start_inclusive":null,"version_end":"0.9.8q","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*"},{"vendor_slug":"opensuse","vendor_name":"openSUSE","product_slug":"opensuse","product_name":"opensuse","version_start":"11.2","version_start_inclusive":true,"version_end":"11.2","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:*"},{"vendor_slug":"opensuse","vendor_name":"openSUSE","product_slug":"opensuse","product_name":"opensuse","version_start":"11.3","version_start_inclusive":true,"version_end":"11.3","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*"},{"vendor_slug":"opensuse","vendor_name":"openSUSE","product_slug":"opensuse","product_name":"opensuse","version_start":"11.4","version_start_inclusive":true,"version_end":"11.4","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*"},{"vendor_slug":"opensuse","vendor_name":"openSUSE","product_slug":"opensuse","product_name":"opensuse","version_start":"11.1","version_start_inclusive":true,"version_end":"11.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:opensuse:opensuse:11.1:*:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise","product_name":"linux_enterprise","version_start":"11.0","version_start_inclusive":true,"version_end":"11.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise:11.0:sp1:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-desktop","product_name":"linux_enterprise_desktop","version_start":"10","version_start_inclusive":true,"version_end":"10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-desktop","product_name":"linux_enterprise_desktop","version_start":"11","version_start_inclusive":true,"version_end":"11","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-desktop","product_name":"linux_enterprise_desktop","version_start":"10","version_start_inclusive":true,"version_end":"10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_desktop:10:sp3:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-server","product_name":"linux_enterprise_server","version_start":"9","version_start_inclusive":true,"version_end":"9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-server","product_name":"linux_enterprise_server","version_start":"10","version_start_inclusive":true,"version_end":"10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:-:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-server","product_name":"linux_enterprise_server","version_start":"10","version_start_inclusive":true,"version_end":"10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.securitytracker.com/id?1024822","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/42473","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/42571","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/43170","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471","source_type":"MISC","tags":[]},{"url":"http://www.vupen.com/english/advisories/2011/0268","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://support.apple.com/kb/HT4723","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://secunia.com/advisories/42493","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/43173","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052027.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.vupen.com/english/advisories/2011/0032","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://secunia.com/advisories/43171","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/42620","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securityfocus.com/archive/1/522176","source_type":"MISC","tags":[]},{"url":"http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://ubuntu.com/usn/usn-1029-1","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.vupen.com/english/advisories/2010/3120","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052315.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.vupen.com/english/advisories/2010/3122","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/43169","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/43172","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://marc.info/?l=bugtraq&m=132077688910227&w=2","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.securityfocus.com/bid/45164","source_type":"MISC","tags":[]},{"url":"http://osvdb.org/69565","source_type":"MISC","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=659462","source_type":"MISC","tags":[]},{"url":"http://www.kb.cert.org/vuls/id/737740","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/42469","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securityfocus.com/archive/1/522176","source_type":"MISC","tags":[]},{"url":"http://marc.info/?l=bugtraq&m=130497251507577&w=2","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://secunia.com/advisories/42877","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://cvs.openssl.org/chngview?cn=20131","source_type":"MISC","tags":[]},{"url":"http://www.redhat.com/support/errata/RHSA-2010-0977.html","source_type":"MISC","tags":[]},{"url":"http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777","source_type":"MISC","tags":[]},{"url":"http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777","source_type":"MISC","tags":[]},{"url":"http://www.vupen.com/english/advisories/2010/3134","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.vupen.com/english/advisories/2010/3188","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18910","source_type":"MISC","tags":[]},{"url":"http://marc.info/?l=bugtraq&m=129916880600544&w=2","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.vupen.com/english/advisories/2011/0076","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://openssl.org/news/secadv_20101202.txt","source_type":"MISC","tags":[]},{"url":"http://www.redhat.com/support/errata/RHSA-2010-0978.html","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/44269","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2011-0896.html","source_type":"MISC","tags":[]},{"url":"http://www.debian.org/security/2011/dsa-2141","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://marc.info/?l=bugtraq&m=130497251507577&w=2","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://marc.info/?l=bugtraq&m=132077688910227&w=2","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://marc.info/?l=bugtraq&m=129916880600544&w=2","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:248","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2010-0979.html","source_type":"MISC","tags":[]},{"url":"https://kb.bluecoat.com/index?page=content&id=SA53&actp=LIST","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/42811","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2010-12-06T21:00:00Z","label":"CVE published","source":null}]}