{"cve":"CVE-2023-21405","nvd":{"published":"2023-07-25T08:15:09.927","modified":"2026-06-17T05:32:31.473","status":"Modified","description":"Knud from Fraktal.fi has found a flaw in some Axis Network Door Controllers and Axis Network\nIntercoms when communicating over OSDP, highlighting that the OSDP message parser crashes\nthe pacsiod process, causing a temporary unavailability of the door-controlling functionalities\nmeaning that doors cannot be opened or closed. No sensitive or customer data can be extracted\nas the Axis device is not further compromised. Please refer to the Axis security advisory for more information, mitigation and affected products and software versions.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-1286","CWE-754"],"references":["https://www.axis.com/dam/public/7f/3a/ed/cve-2023-21405-en-US-407244.pdf","https://www.axis.com/dam/public/7f/3a/ed/cve-2023-21405-en-US-407244.pdf"],"products":["axis:a1001_firmware","axis:a1210_\\(-b\\)_firmware","axis:a1601_firmware","axis:a1610_\\(-b\\)_firmware","axis:axis_os"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-21405","score":0.00296,"percentile":0.22277,"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."]}