{"cve":{"cve_id":"CVE-2021-25321","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":0.00441,"epss_percentile":0.35068,"epss_as_of":"2026-06-23","description":"A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 allows local attackers with control of the runtime user to run arpwatch as to escalate to root upon the next restart of arpwatch. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versions prior to 2.1a15. SUSE Manager Server 4.0 arpwatch versions prior to 2.1a15. SUSE OpenStack Cloud Crowbar 9 arpwatch versions prior to 2.1a15. openSUSE Factory arpwatch version 2.1a15-169.5 and prior versions. openSUSE Leap 15.2 arpwatch version 2.1a15-lp152.5.5 and prior versions.","published_at":"2021-06-30T08:25:12.750000Z","last_modified_at":null,"cvss_v3_score":7.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","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-61"],"nvd_references":["https://bugzilla.suse.com/show_bug.cgi?id=1186240"],"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":"2026-06-28T23:15:14.945103Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"opensuse","vendor_name":"openSUSE","product_slug":"factory","product_name":"Factory","version_start":"arpwatch","version_start_inclusive":true,"version_end":"2.1a15-169.5","version_end_inclusive":true,"cpe23_uri":"cve5:opensuse:factory:arpwatch:2.1a15-169.5"},{"vendor_slug":"opensuse","vendor_name":"openSUSE","product_slug":"leap-15.2","product_name":"Leap 15.2","version_start":"arpwatch","version_start_inclusive":true,"version_end":"2.1a15-lp152.5.5","version_end_inclusive":true,"cpe23_uri":"cve5:opensuse:leap-15.2:arpwatch:2.1a15-lp152.5.5"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"suse-linux-enterprise-server-11-sp4-ltss","product_name":"SUSE Linux Enterprise Server 11-SP4-LTSS","version_start":"arpwatch","version_start_inclusive":true,"version_end":"2.1a15","version_end_inclusive":false,"cpe23_uri":"cve5:suse:suse-linux-enterprise-server-11-sp4-ltss:arpwatch:2.1a15"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"suse-manager-server-4.0","product_name":"SUSE Manager Server 4.0","version_start":"arpwatch","version_start_inclusive":true,"version_end":"2.1a15","version_end_inclusive":false,"cpe23_uri":"cve5:suse:suse-manager-server-4.0:arpwatch:2.1a15"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"suse-openstack-cloud-crowbar-9","product_name":"SUSE OpenStack Cloud Crowbar 9","version_start":"arpwatch","version_start_inclusive":true,"version_end":"2.1a15","version_end_inclusive":false,"cpe23_uri":"cve5:suse:suse-openstack-cloud-crowbar-9:arpwatch:2.1a15"}],"exploit_refs":[],"news":[],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1186240","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-06-30T08:25:12.750000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:05:36.865152Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:05:36.865152Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:05:36.865152Z","label":"CVSS score revised","source":"cvelistv5"}]}