{"id":"CVE-2021-31793","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-31793","generatedAt":"2026-10-27T22:34:02.933Z","title":"An issue exists on NightOwl WDB-20-V2 WDB-20-V2_20190314 devices that allows an unauthenticated user to gain access to snapshots and video streams from the doorbell.","description":"An issue exists on NightOwl WDB-20-V2 WDB-20-V2_20190314 devices that allows an unauthenticated user to gain access to snapshots and video streams from the doorbell. The binary app offers a web server on port 80 that allows an unauthenticated user to take a snapshot from the doorbell camera via the /snapshot URI.","published":"2021-05-06T17:15:08.000Z","lastModified":"2026-06-17T03:52:15.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-306"],"affected":["nightowlsp/wdb-20 firmware"],"epss":{"score":0.01275,"percentile":0.69725,"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 (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cloud.binary.ninja/embed/f4400a22-c438-403a-bf2a-939ca44a4f6b","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://gist.github.com/tj-oconnor/16a4116050bbcb4717315f519b944f1f","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cloud.binary.ninja/embed/f4400a22-c438-403a-bf2a-939ca44a4f6b","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gist.github.com/tj-oconnor/16a4116050bbcb4717315f519b944f1f","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-31793","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."}