{"id":"CVE-2017-7921","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-7921","generatedAt":"2026-10-29T00:32:57.927Z","title":"Hikvision Multiple Products Improper Authentication Vulnerability","description":"An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.","published":"2017-05-06T00:29:00.000Z","lastModified":"2026-06-17T01:25:29.000Z","status":"Analyzed","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-287"],"affected":["hikvision/ds-2cd2032-i firmware","hikvision/ds-2cd2112-i firmware","hikvision/ds-2cd2132-i firmware","hikvision/ds-2cd2212-i5 firmware","hikvision/ds-2cd2232-i5 firmware","hikvision/ds-2cd2312-i firmware","hikvision/ds-2cd2332-i firmware","hikvision/ds-2cd2412f-i\\(w\\) firmware","hikvision/ds-2cd2432f-i\\(w\\) firmware","hikvision/ds-2cd2512f-i\\(s\\) firmware","hikvision/ds-2cd2532f-i\\(s\\) firmware","hikvision/ds-2cd2612f-i\\(s\\) firmware","hikvision/ds-2cd2632f-i\\(s\\) firmware","hikvision/ds-2cd2712f-i\\(s\\) firmware","hikvision/ds-2cd2732f-i\\(s\\) firmware","hikvision/ds-2cd2t32-i3 firmware","hikvision/ds-2cd2t32-i5 firmware","hikvision/ds-2cd2t32-i8 firmware","hikvision/ds-2cd4012f-\\(a\\) firmware","hikvision/ds-2cd4012f-\\(p\\) firmware","hikvision/ds-2cd4012f-\\(w\\) firmware","hikvision/ds-2cd4012fwd-\\(a\\) firmware","hikvision/ds-2cd4012fwd-\\(p\\) firmware","hikvision/ds-2cd4012fwd-\\(w\\) firmware","hikvision/ds-2cd4024f-\\(a\\) firmware","hikvision/ds-2cd4024f-\\(p\\) firmware","hikvision/ds-2cd4024f-\\(w\\) firmware","hikvision/ds-2cd4032fwd-\\(a\\) firmware","hikvision/ds-2cd4032fwd-\\(p\\) firmware","hikvision/ds-2cd4032fwd-\\(w\\) firmware","hikvision/ds-2cd4112f-i\\(z\\) firmware","hikvision/ds-2cd4112fwd-i\\(z\\) firmware","hikvision/ds-2cd4124f-i\\(z\\) firmware","hikvision/ds-2cd4132fwd-i\\(z\\) firmware","hikvision/ds-2cd4212f-i\\(h\\) firmware","hikvision/ds-2cd4212f-i\\(s\\) firmware","hikvision/ds-2cd4212f-i\\(z\\) firmware","hikvision/ds-2cd4212fwd-i\\(h\\) firmware","hikvision/ds-2cd4212fwd-i\\(s\\) firmware","hikvision/ds-2cd4212fwd-i\\(z\\) firmware","hikvision/ds-2cd4224f-i\\(h\\) firmware","hikvision/ds-2cd4224f-i\\(s\\) firmware","hikvision/ds-2cd4224f-i\\(z\\) firmware","hikvision/ds-2cd4232fwd-i\\(h\\) firmware","hikvision/ds-2cd4232fwd-i\\(s\\) firmware","hikvision/ds-2cd4232fwd-i\\(z\\) firmware","hikvision/ds-2cd4312f-i\\(h\\) firmware","hikvision/ds-2cd4312f-i\\(s\\) firmware","hikvision/ds-2cd4312f-i\\(z\\) firmware","hikvision/ds-2cd4324f-i\\(h\\) firmware","hikvision/ds-2cd4324f-i\\(s\\) firmware","hikvision/ds-2cd4324f-i\\(z\\) firmware","hikvision/ds-2cd4332fwd-i\\(h\\) firmware","hikvision/ds-2cd4332fwd-i\\(s\\) firmware","hikvision/ds-2cd4332fwd-i\\(z\\) firmware","hikvision/ds-2cd6412fwd firmware","hikvision/ds-2dfx series firmware","hikvision/ds-2cd63xx series firmware"],"epss":{"score":0.99998,"percentile":0.9999,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2026-03-05","dueDate":"2026-03-26","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/ ; https://nvd.nist.gov/vuln/detail/CVE-2017-7921"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 26 March 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://www.hikvision.com/us/about_10805.html","tags":["Patch","Vendor Advisory"],"source":"ics-cert@hq.dhs.gov"},{"url":"http://www.securityfocus.com/bid/98313","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://ghostbin.com/paste/q2vq2","tags":["Broken Link"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01","tags":["Third Party Advisory","US Government Resource"],"source":"ics-cert@hq.dhs.gov"},{"url":"http://www.hikvision.com/us/about_10805.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/98313","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ghostbin.com/paste/q2vq2","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/20170314/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--privilege-escalating-vulnerability-in-cer/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7921","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-7921","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."}