{"cve":{"cve_id":"CVE-2017-0903","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":0.15853,"epss_percentile":0.96456,"epss_as_of":"2026-06-23","description":"RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.","published_at":"2017-10-11T18:00:00Z","last_modified_at":null,"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":["CWE-502"],"nvd_references":["https://usn.ubuntu.com/3685-1/","https://usn.ubuntu.com/3553-1/","https://access.redhat.com/errata/RHSA-2018:0585","https://access.redhat.com/errata/RHSA-2018:0378","https://hackerone.com/reports/274990","https://www.debian.org/security/2017/dsa-4031","https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49","https://access.redhat.com/errata/RHSA-2017:3485","http://blog.rubygems.org/2017/10/09/2.6.14-released.html","https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html","https://access.redhat.com/errata/RHSA-2018:0583","http://www.securityfocus.com/bid/101275","http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html"],"vuln_status":null,"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":"2026-06-28T23:09:16.607812Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"hackerone","vendor_name":"HackerOne","product_slug":"rubygems","product_name":"RubyGems","version_start":"Versions >= 2.0.0","version_start_inclusive":true,"version_end":"Versions >= 2.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:hackerone:rubygems:Versions >= 2.0.0:Versions >= 2.0.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://usn.ubuntu.com/3685-1/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://usn.ubuntu.com/3553-1/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0585","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0378","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://hackerone.com/reports/274990","source_type":"MISC","tags":[]},{"url":"https://www.debian.org/security/2017/dsa-4031","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49","source_type":"PATCH","tags":["patch"]},{"url":"https://access.redhat.com/errata/RHSA-2017:3485","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://blog.rubygems.org/2017/10/09/2.6.14-released.html","source_type":"MISC","tags":[]},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0583","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securityfocus.com/bid/101275","source_type":"MISC","tags":[]},{"url":"http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2017-10-11T18:00:00Z","label":"CVE published","source":null}]}