CVE-2023-33981

MEDIUM

Briar < 1.4.22 - Message Spoofing via Integrity Check Bypass

Title source: llm

Description

Briar before 1.4.22 allows attackers to spoof other users' messages in a blog, forum, or private group, but each spoofed message would need to be an exact duplicate of a legitimate message displayed alongside the spoofed one.

References (2)

Core 2

Core References

Vendor Advisory

https://briarproject.org/news/2023-three-security-issues-found-and-fixed/

Exploit, Technical Description, Third Party Advisory

https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_YuanmingSong.pdf

Scores

CVSS v3 6.5

EPSS 0.0033

EPSS Percentile 25.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-354

Status published

Products (1)

briarproject/briar < 1.4.22

Published May 24, 2023

Tracked Since Feb 18, 2026