Buffer overflow in Zoom

CVE-2023-22881

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-22881?
CVE-2023-22881 is a medium-severity vulnerability in Zoom, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2023-03-16.
How severe is CVE-2023-22881?
Medium severity. CVSS v3 base score is 6.5 out of 10.