{"schemaVersion":3,"id":"USN-6022-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"kamailio vulnerabilities\n\nIt was discovered that Kamailio did not properly sanitize SIP messages under\ncertain circumstances. An attacker could use this vulnerability to cause a\ndenial of service or possibly execute arbitrary code. This issue only affected\nUbuntu 16.04 ESM and 18.04 ESM. (CVE-2018-16657)\n\nIt was discovered that Kamailio did not properly validate INVITE requests\nunder certain circumstances. An attacker could use this vulnerability to\ncause a denial of service or possibly execute arbitrary code. (CVE-2020-27507)","dates":{"published":"2023-04-14T17:20:51.000Z","modified":"2026-06-25T13:31:59.427Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"kamailio","name":"kamailio","label":"kamailio","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/kamailio","purlType":"deb","versions":[{"text":"< 4.3.4-1.1ubuntu2.1+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 5.1.2-1ubuntu2+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 5.3.2-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.3.4-1.1ubuntu2.1+esm1 | < 5.1.2-1ubuntu2+esm1 | < 5.3.2-1ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6022-1","label":"ubuntu.com/security/notices/USN-6022-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-16657","label":"ubuntu.com/security/CVE-2018-16657","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-27507","label":"ubuntu.com/security/CVE-2020-27507","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-16657","CVE-2020-27507"],"downstream":[],"duplicates":[],"related":["CVE-2018-16657","CVE-2020-27507"]},"timeline":[{"kind":"published","date":"2023-04-14T17:20:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:31:59.427Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T08:21:47.344Z","stale":false,"partial":false}}