CVE-2017-7921

critical-risk
Published 2017-05-06

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.

Do I need to act?

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94.2% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Hikvision

References (12)

Patch http://www.hikvision.com/us/about_10805.html
Third Party Advisory http://www.securityfocus.com/bid/98313
https://ghostbin.com/paste/q2vq2
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01
Patch http://www.hikvision.com/us/about_10805.html
Third Party Advisory http://www.securityfocus.com/bid/98313
https://ghostbin.com/paste/q2vq2
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01
https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/2017031...
https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-no...
https://www.hikvision.com/us-en/support/document-center/special-notices/privileg...
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-...
86
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 27/34 · High