{"id":"CVE-2023-21405","aliases":["EUVD-2023-25573","GHSA-m5vf-rp25-854p"],"status":"published","title":"Denial-of-Service vulnerability in Axis Network Door Controller's and Axis Network Intercom's OSDP communication","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00296,"percentile":0.2248,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1286","CWE-754"],"published":"2023-07-25T07:34:36Z","modified":"2026-06-17T05:32:31Z","products":[{"vendor":"axis","product":"a1001_firmware"},{"vendor":"axis","product":"a1210_\\(-b\\)_firmware"},{"vendor":"axis","product":"a1601_firmware"},{"vendor":"axis","product":"a1610_\\(-b\\)_firmware"},{"vendor":"axis","product":"axis_os"},{"vendor":"axis communications ab","product":"axis a1001 network door controller"},{"vendor":"axis communications ab","product":"axis a1210-b network door controller"},{"vendor":"axis communications ab","product":"axis a1601 network door controller"},{"vendor":"axis communications ab","product":"axis a1610 (-b) network door controller"},{"vendor":"axis communications ab","product":"axis a8207-ve mk ii network video door station"},{"vendor":"axis communications ab","product":"axis a8207-ve network video door station"}],"references":[{"url":"https://www.axis.com/dam/public/7f/3a/ed/cve-2023-21405-en-US-407244.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21405"},{"url":"https://github.com/advisories/GHSA-m5vf-rp25-854p"}],"sources":{"cve":[{"id":"CVE-2023-21405","title":"Denial-of-Service vulnerability in Axis Network Door Controller's and Axis Network Intercom's OSDP communication","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.","status":"published","published":"2023-07-25T07:34:36.652Z","modified":"2024-11-08T08:37:04.14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1286","CWE-754"],"updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-25573","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.","status":"published","published":"2023-07-25T07:34:36Z","modified":"2024-11-08T08:37:04Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:05:06.878478Z"}],"ghsa":[{"id":"GHSA-m5vf-rp25-854p","title":"\nKnud from Fraktal.fi has found a flaw in some Axis Network Door Controllers and Axis Network...","description":"\nKnud 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.","status":"published","published":"2023-07-25T09:30:17Z","modified":"2024-11-08T09:30:29Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-754","CWE-1286"],"updated_at":"2026-11-02T14:58:45.881488Z"}],"nvd":[{"id":"CVE-2023-21405","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.","status":"published","published":"2023-07-25T08:15:09.927Z","modified":"2026-06-17T05:32:31.473Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-1286","CWE-754"],"updated_at":"2026-11-02T14:08:18.687088Z"}]}}