CVE-2017-7921

CRITICALCVSS 9.8/10Actively ExploitedEPSS 100.00%

Last modified

CVE-2017-7921 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 100.00% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
100.00%

100.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersions
HikvisionDs-2cd2032-I FirmwareAll versions
HikvisionDs-2cd2112-I FirmwareAll versions
HikvisionDs-2cd2132-I FirmwareAll versions
HikvisionDs-2cd2212-I5 FirmwareAll versions
HikvisionDs-2cd2232-I5 FirmwareAll versions
HikvisionDs-2cd2312-I FirmwareAll versions
HikvisionDs-2cd2332-I FirmwareAll versions
HikvisionDs-2cd2412f-I\(W\) FirmwareAll versions
HikvisionDs-2cd2432f-I\(W\) FirmwareAll versions
HikvisionDs-2cd2512f-I\(S\) FirmwareAll versions
HikvisionDs-2cd2532f-I\(S\) FirmwareAll versions
HikvisionDs-2cd2612f-I\(S\) FirmwareAll versions
HikvisionDs-2cd2632f-I\(S\) FirmwareAll versions
HikvisionDs-2cd2712f-I\(S\) FirmwareAll versions
HikvisionDs-2cd2732f-I\(S\) FirmwareAll versions
HikvisionDs-2cd2t32-I3 FirmwareAll versions
HikvisionDs-2cd2t32-I5 FirmwareAll versions
HikvisionDs-2cd2t32-I8 FirmwareAll versions
HikvisionDs-2cd4012f-\(A\) FirmwareAll versions
HikvisionDs-2cd4012f-\(P\) FirmwareAll versions
HikvisionDs-2cd4012f-\(W\) FirmwareAll versions
HikvisionDs-2cd4012fwd-\(A\) FirmwareAll versions
HikvisionDs-2cd4012fwd-\(P\) FirmwareAll versions
HikvisionDs-2cd4012fwd-\(W\) FirmwareAll versions
HikvisionDs-2cd4024f-\(A\) FirmwareAll versions
HikvisionDs-2cd4024f-\(P\) FirmwareAll versions
HikvisionDs-2cd4024f-\(W\) FirmwareAll versions
HikvisionDs-2cd4032fwd-\(A\) FirmwareAll versions
HikvisionDs-2cd4032fwd-\(P\) FirmwareAll versions
HikvisionDs-2cd4032fwd-\(W\) FirmwareAll versions
HikvisionDs-2cd4112f-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4112fwd-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4124f-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4132fwd-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4212f-I\(H\) FirmwareAll versions
HikvisionDs-2cd4212f-I\(S\) FirmwareAll versions
HikvisionDs-2cd4212f-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4212fwd-I\(H\) FirmwareAll versions
HikvisionDs-2cd4212fwd-I\(S\) FirmwareAll versions
HikvisionDs-2cd4212fwd-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4224f-I\(H\) FirmwareAll versions
HikvisionDs-2cd4224f-I\(S\) FirmwareAll versions
HikvisionDs-2cd4224f-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4232fwd-I\(H\) FirmwareAll versions
HikvisionDs-2cd4232fwd-I\(S\) FirmwareAll versions
HikvisionDs-2cd4232fwd-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4312f-I\(H\) FirmwareAll versions
HikvisionDs-2cd4312f-I\(S\) FirmwareAll versions
HikvisionDs-2cd4312f-I\(Z\) FirmwareAll versions
HikvisionDs-2cd4324f-I\(H\) FirmwareAll versions

Showing 50 of 58 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2017-7921?
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.
How severe is CVE-2017-7921?
CVE-2017-7921 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 100.00% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2017-7921?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7921?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST