{"cve":"CVE-2023-21416","nvd":{"published":"2023-11-21T07:15:08.890","modified":"2026-06-17T05:32:33.027","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-35"],"references":["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"],"products":["axis:axis_os","axis:axis_os_2022"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-21416","score":0.00668,"percentile":0.51928,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}