How severe is CVE-2020-27853?

This vulnerability has a severity rating of CRITICAL with a CVSS score of 9.8 out of 10.

What type of vulnerability is CVE-2020-27853?

This is classified as CWE-134, which is a common weakness in software security.

CVE-2020-27853

CRITICAL Year: 2020

CVSS v3 Score

9.8

Critical

CVSS v2 Score

7.5

High

Weakness Type

CWE-134

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Vulnerability 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.

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