What is CVE-2023-33983?

CVE-2023-33983 is a high-severity vulnerability in Briarproject Briar, classified under Missing Authorization. CVSS score: 7.4/10. Published 2023-05-24.

How severe is CVE-2023-33983?

High severity. CVSS v3 base score is 7.4 out of 10.

Auth bypass in Briarproject Briar

CVE-2023-33983

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 class: Broken Access Control

EPSS: 0.006 (45.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Briarproject Briar
N/a — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@mitre.org (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33983?: CVE-2023-33983 is a high-severity vulnerability in Briarproject Briar, classified under Missing Authorization. CVSS score: 7.4/10. Published 2023-05-24.
How severe is CVE-2023-33983?: High severity. CVSS v3 base score is 7.4 out of 10.