CVE-2023-21416
Axis Communications
- Published
- 21 November 2023
- Last modified
- 17 June 2026
- CVSS
- 6.5 v3.1
- Severity
- medium
- EPSS
- 0.7% (50th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-35
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
Sandro Poppi, member of the AXIS OS Bug Bounty Program, has found that the VAPIX API dynamicoverlay.cgi was vulnerable to a Denial-of-Service attack allowing for an attacker to block access to the overlay configuration page in the web interface of the Axis device. This flaw can only be exploited after authenticating with an operator- or administrator-privileged service account however the impact is equal. Axis has released patched AXIS OS versions for the highlighted flaw. Please refer to the Axis security advisory for more information and solution.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 0.7% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Axis Os | Axis Communications | unknown | < 10.12.199, < 10.12.206, < 10.7, < 10.8 +41 |
| Axis Os 2022 | Axis Communications | unknown | < 10.12.206, < 10.12.208, < 10.12.213, < 10.12.220 +3 |
References
Vendor advisory and patch
- https://www.axis.com/dam/public/35/2a/a6/cve-2023-21416-en-US-417790.pdf
- https://www.axis.com/dam/public/35/2a/a6/cve-2023-21416-en-US-417790.pdf
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.