{"cve":"CVE-2020-27853","nvd":{"published":"2020-10-27T18:15:12.620","modified":"2026-06-17T03:09:44.580","status":"Modified","description":"Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a format string. This affects Wire AVS (Audio, Video, and Signaling) 5.3 through 6.x before 6.4, the Wire Secure Messenger application before 3.49.918 for Android, and the Wire Secure Messenger application before 3.61 for iOS. This occurs via the value parameter to sdp_media_set_lattr in peerflow/sdp.c.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-134"],"references":["http://github.security.telekom.com/2020/11/wire-secure-messenger-format-string-vulnerability.html","https://github.com/wireapp/wire-audio-video-signaling/issues/23#issuecomment-710075689","http://github.security.telekom.com/2020/11/wire-secure-messenger-format-string-vulnerability.html","https://github.com/wireapp/wire-audio-video-signaling/issues/23#issuecomment-710075689"],"products":["wire:wire","wire:wire_-_audio\\,_video\\,_and_signaling","wire:wire_secure_messenger"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-27853","score":0.03942,"percentile":0.90401,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}