CVE-2020-27853

CRITICAL

Wire < 3.21.2936 - Format String Vulnerability

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0322
EPSS Percentile 87.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-134
Status published
Products (6)
wire/wire < 3.21.2936
wire/wire < 3.21.3932
wire/wire < 3.21.3959
wire/wire_-_audio\,_video\,_and_signaling 5.3 - 6.4
wire/wire_secure_messenger < 3.49.918
wire/wire_secure_messenger < 3.61
Published Oct 27, 2020
Tracked Since Feb 18, 2026