CVE Catalog

CVE-2023-33983

HighCVSS 7.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.60%

44th percentile - higher than 44% of all known CVEs

Summary

The Introduction Client in Briar through version 1.5.3 does not implement out-of-band verification for the public keys of introducees. This allows an attacker to launch man-in-the-middle attacks against later private communication between two introduced parties.

Risk Assessment

The organization may be exposed to interception and manipulation of confidential information exchanged between users, potentially leading to serious security breaches.

Recommendation

It is recommended to update to the latest version of Briar that implements proper public key verification mechanisms to minimize the risk of attacks.

Related vulnerabilities

Original NVD description (English source)

The Introduction Client in Briar through 1.5.3 does not implement out-of-band verification for the public keys of introducees. An introducer can launch man-in-the-middle attacks against later private communication between two introduced parties.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS