{"id":"CVE-2020-35652","aliases":["ALPINE-CVE-2020-35652","DEBIAN-CVE-2020-35652","EUVD-2020-23318","GHSA-5jwx-hvg3-jjjv","UBUNTU-CVE-2020-35652"],"status":"published","title":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through...","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01878,"percentile":0.79583,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-29T07:22:40Z","modified":"2026-10-26T12:01:51Z","fixes":[{"ecosystem":"Alpine:v3.12","package":"asterisk","fixed_in":["16.15.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"asterisk","fixed_in":["18.1.1-r0"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"asterisk","fixed_in":["1:16.15.1~dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.12","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"16.15.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0"},{"fixed":"18.1.1-r0"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:16.15.1~dfsg-1"}]}],"versions":["0.1.11-3","0.1.11-3woody1","1:1.0.5-2","1:1.0.5-4","1:1.0.6-1","1:1.0.6-2","1:1.0.7-1","1:1.0.7.dfsg.1-1","1:1.0.7.dfsg.1-2","1:1.0.7.dfsg.1-2sarge1","1:1.0.7.dfsg.1-2sarge2","1:1.0.7.dfsg.1-2sarge3","1:1.0.7.dfsg.1-2sarge4","1:1.0.7.dfsg.1-2sarge5","1:1.0.7.dfsg.1-2sarge6","1:1.0.9.dfsg-1","1:1.0.9.dfsg-3","1:1.0.9.dfsg-4","1:1.0.9.dfsg-5","1:1.0.9.dfsg-6","1:1.2.0-beta1.dfsg-1","1:1.2.0-beta2.dfsg-1","1:1.2.0-beta2.dfsg-2","1:1.2.0-beta2.dfsg-3","1:1.2.0-rc1.dfsg-1","1:1.2.0-rc2.dfsg-1","1:1.2.0.dfsg-1","1:1.2.0.dfsg-2","1:1.2.0.dfsg-3","1:1.2.0.dfsg-4","1:1.2.0.dfsg-5","1:1.2.0.dfsg-6","1:1.2.1.dfsg-1","1:1.2.1.dfsg-2","1:1.2.1.dfsg-3","1:1.2.10.dfsg-1","1:1.2.10.dfsg-1bpo1","1:1.2.10.dfsg-2","1:1.2.10.dfsg-3","1:1.2.11.dfsg-1","1:1.2.12.1.dfsg-1","1:1.2.13~dfsg-1","1:1.2.13~dfsg-2","1:1.2.13~dfsg-2etch1","1:1.2.13~dfsg-2etch2","1:1.2.13~dfsg-2etch3","1:1.2.13~dfsg-2etch4","1:1.2.14~dfsg-1","1:1.2.14~dfsg-2","1:1.2.14~dfsg-3","1:1.2.14~dfsg-4","1:1.2.15~dfsg-1","1:1.2.16~dfsg-1","1:1.2.17~dfsg-1","1:1.2.4.dfsg-1","1:1.2.4.dfsg-2","1:1.2.4.dfsg-3","1:1.2.4.dfsg-4","1:1.2.4.dfsg-5","1:1.2.4.dfsg-6","1:1.2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Advisory","advisory","report"]},{"url":"https://issues.asterisk.org/jira/browse/ASTERISK-29191","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory","evidence","report"]},{"url":"https://downloads.asterisk.org/pub/security/AST-2020-004.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://downloads.asterisk.org/pub/security/AST-2020-003.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35652"},{"url":"https://github.com/advisories/GHSA-5jwx-hvg3-jjjv"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-35652","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-35652","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-35652","tags":["report"]},{"url":"https://downloads.asterisk.org/pub/security/AST-2020-003-13.diff","tags":["report"]},{"url":"https://downloads.asterisk.org/pub/security/AST-2020-003-16.diff","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-35652","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-35652","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2021-01-29T07:22:40Z","modified":"2024-08-04T17:09:14.847Z","updated_at":"2026-11-02T14:35:57.975444Z"}],"euvd":[{"id":"EUVD-2020-23318","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2021-01-29T07:22:40Z","modified":"2024-08-04T17:09:14Z","updated_at":"2026-11-03T03:07:05.848444Z"}],"ghsa":[{"id":"GHSA-5jwx-hvg3-jjjv","title":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through...","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2022-05-24T17:40:35Z","modified":"2023-01-29T05:05:33Z","updated_at":"2026-11-02T14:45:49.336023Z"}],"nvd":[{"id":"CVE-2020-35652","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2021-01-29T08:15:10.52Z","modified":"2026-06-17T03:14:04.227Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:30.596418Z"}],"osv":[{"id":"ALPINE-CVE-2020-35652","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2021-01-29T08:15:10.52Z","modified":"2026-10-26T11:17:55.173089663Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:27:48.11886Z"},{"id":"CVE-2020-35652","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2021-01-29T08:15:10.52Z","modified":"2026-10-24T10:30:37.983185148Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:16.612899Z"},{"id":"DEBIAN-CVE-2020-35652","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2021-01-29T08:15:10.52Z","modified":"2026-10-26T12:01:51.841356577Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-35652","description":"An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.","status":"published","published":"2021-01-29T08:15:00Z","modified":"2026-10-17T12:56:14.331853066Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:25.179924Z"}]}}