{"id":"CVE-2021-23859","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-23859","generatedAt":"2026-10-27T22:27:25.877Z","title":"An unauthenticated attacker is able to send a special HTTP request, that causes a service to crash.","description":"An unauthenticated attacker is able to send a special HTTP request, that causes a service to crash. In case of a standalone VRM or BVMS with VRM installation this crash also opens the possibility to send further unauthenticated commands to the service. On some products the interface is only local accessible lowering the CVSS base score. For a list of modified CVSS scores, please see the official Bosch Advisory Appendix chapter Modified CVSS Scores for CVE-2021-23859","published":"2021-12-08T22:15:08.000Z","lastModified":"2026-06-17T03:38:57.000Z","status":"Modified","sourceIdentifier":"psirt@bosch.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-703","CWE-755"],"affected":["bosch/bosch video management system","bosch/video recording manager","bosch/access easy controller firmware","bosch/access professional edition","bosch/building integration system","bosch/video recording manager exporter"],"epss":{"score":0.01004,"percentile":0.6272,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://psirt.bosch.com/security-advisories/bosch-sa-043434-bt.html","tags":["Vendor Advisory"],"source":"psirt@bosch.com"},{"url":"https://psirt.bosch.com/security-advisories/bosch-sa-043434-bt.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23859","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}