{"cve":{"cve_id":"CVE-2020-16123","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":0.00314,"epss_percentile":0.22986,"epss_as_of":"2026-06-23","description":"An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This could be exploited by an attacker to expose sensitive information. Fixed in 1:13.99.3-1ubuntu2, 1:13.99.2-1ubuntu2.1, 1:13.99.1-1ubuntu3.8, 1:11.1-1ubuntu7.11, and 1:8.0-0ubuntu3.15.","published_at":"2020-12-03T23:15:20.305000Z","last_modified_at":null,"cvss_v3_score":4.4,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N","cvss_v3_severity":"MEDIUM","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-362"],"nvd_references":["https://launchpad.net/bugs/1895928","https://ubuntu.com/USN-4640-1"],"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":"2026-06-28T23:13:37.987161Z"},"effective_severity":"MEDIUM","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":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"pulseaudio","product_name":"pulseaudio","version_start":"1:13.99.3-1","version_start_inclusive":true,"version_end":"1:13.99.3-1ubuntu2","version_end_inclusive":false,"cpe23_uri":"cve5:canonical:pulseaudio:1:13.99.3-1:1:13.99.3-1ubuntu2"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"pulseaudio","product_name":"pulseaudio","version_start":"1:13.99.2-1","version_start_inclusive":true,"version_end":"1:13.99.2-1ubuntu2.1","version_end_inclusive":false,"cpe23_uri":"cve5:canonical:pulseaudio:1:13.99.2-1:1:13.99.2-1ubuntu2.1"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"pulseaudio","product_name":"pulseaudio","version_start":"1:13.99.1-1","version_start_inclusive":true,"version_end":"1:13.99.1-1ubuntu3.8","version_end_inclusive":false,"cpe23_uri":"cve5:canonical:pulseaudio:1:13.99.1-1:1:13.99.1-1ubuntu3.8"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"pulseaudio","product_name":"pulseaudio","version_start":"1:11.1-1","version_start_inclusive":true,"version_end":"1:11.1-1ubuntu7.11","version_end_inclusive":false,"cpe23_uri":"cve5:canonical:pulseaudio:1:11.1-1:1:11.1-1ubuntu7.11"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"pulseaudio","product_name":"pulseaudio","version_start":"1:8.0-0","version_start_inclusive":true,"version_end":"1:8.0-0ubuntu3.15","version_end_inclusive":false,"cpe23_uri":"cve5:canonical:pulseaudio:1:8.0-0:1:8.0-0ubuntu3.15"}],"exploit_refs":[],"news":[],"references":[{"url":"https://launchpad.net/bugs/1895928","source_type":"MISC","tags":[]},{"url":"https://ubuntu.com/USN-4640-1","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2020-12-03T23:15:20.305000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:02:26.424268Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:02:26.424268Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:02:26.424268Z","label":"CVSS score revised","source":"cvelistv5"}]}