{"id":"CVE-2021-41193","aliases":["EUVD-2022-1271","GHSA-2j6v-xpf3-xvrv"],"status":"published","title":"Use of Externally-Controlled Format String in wire-avs","description":"wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.02466,"percentile":0.84617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-134"],"published":"2022-03-01T18:25:22Z","modified":"2026-10-20T14:06:39Z","fixes":[{"ecosystem":"Maven","package":"com.wire:avs","fixed_in":["7.1.12"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.wire:avs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.12"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.wire:avs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.12"}]}],"versions":["0.0.28","0.0.29","0.0.48","0.0.49","0.0.50","0.0.52","0.0.59","0.0.60","0.0.61","0.0.62","0.0.76"]}],"products":[{"vendor":"wire","product":"wire-audio_video_signaling"},{"vendor":"wireapp","product":"wire-avs"}],"references":[{"url":"https://github.com/wireapp/wire-avs/security/advisories/GHSA-2j6v-xpf3-xvrv","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/wireapp/wire-avs/commit/40d373ede795443ae6f2f756e9fb1f4f4ae90bbe","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41193","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2j6v-xpf3-xvrv"},{"url":"https://github.com/wireapp/wire-avs","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-41193","title":"Use of Externally-Controlled Format String in wire-avs","description":"wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.","status":"published","published":"2022-03-01T18:25:22Z","modified":"2025-04-23T18:59:49.177Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2022-1271","description":"wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.","status":"published","published":"2022-03-01T18:25:22Z","modified":"2025-04-23T18:59:49Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:52:07.453218Z"}],"ghsa":[{"id":"GHSA-2j6v-xpf3-xvrv","title":"Use of Externally-Controlled Format String in wire-avs","description":"### Impact\nA remote format string vulnerability allowed an attacker to cause a denial of service or possibly execute arbitrary code.\n\n### Patches\n* The issue has been fixed in wire-avs 7.1.12 and is already included on all Wire products (currently used version is 8.0.x)\n\n### Workarounds\n* No workaround known\n\n### References\n* Fixed in commit https://github.com/wireapp/wire-avs/commit/40d373ede795443ae6f2f756e9fb1f4f4ae90bbe\n\n### For more information\n\nIf you have any questions or comments about this advisory feel free to email us at [vulnerability-report@wire.com](mailto:vulnerability-report@wire.com)\n","status":"published","published":"2022-03-01T18:58:23Z","modified":"2023-02-03T05:06:41Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:36:44.093794Z"}],"nvd":[{"id":"CVE-2021-41193","description":"wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.","status":"published","published":"2022-03-01T19:15:08.403Z","modified":"2026-06-17T04:08:04.07Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:07:05.198719Z"}],"osv":[{"id":"CVE-2021-41193","description":"wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.","status":"published","published":"2022-03-01T19:15:08.403Z","modified":"2026-10-20T14:06:39.707982695Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:21.249056Z"},{"id":"GHSA-2j6v-xpf3-xvrv","title":"Use of Externally-Controlled Format String in wire-avs","description":"### Impact\nA remote format string vulnerability allowed an attacker to cause a denial of service or possibly execute arbitrary code.\n\n### Patches\n* The issue has been fixed in wire-avs 7.1.12 and is already included on all Wire products (currently used version is 8.0.x)\n\n### Workarounds\n* No workaround known\n\n### References\n* Fixed in commit https://github.com/wireapp/wire-avs/commit/40d373ede795443ae6f2f756e9fb1f4f4ae90bbe\n\n### For more information\n\nIf you have any questions or comments about this advisory feel free to email us at [vulnerability-report@wire.com](mailto:vulnerability-report@wire.com)\n","status":"published","published":"2022-03-01T18:58:23Z","modified":"2026-09-10T03:49:12.926061232Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T15:46:34.338541Z"}]}}