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CVE-2017-7921

99
FAUCET Score

CVE-2017-7921 is a critical improper authentication vulnerability (CWE-287) affecting numerous Hikvision DS-2CD, DS-2DF, and DS-2CD63xx series IP cameras and DVRs, allowing for privilege escalation and access to sensitive information. Rated with a CVSS v3.0 score of 10.0 (CRITICAL), this vulnerability can be exploited remotely with low complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. It is actively exploited in the wild, listed on CISA's Known Exploited Vulnerabilities (KEV) catalog, and has a very high EPSS score, indicating a high probability of exploitation. Public exploit code, including Metasploit modules for unauthenticated password changes and information disclosure, is readily available, contributing to its active hotlist status and significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:hikvision:ds-2cd2032-i_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:hikvision:ds-2cd2112-i_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:hikvision:ds-2cd2132-i_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:hikvision:ds-2cd2212-i5_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:hikvision:ds-2cd2232-i5_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
100.00%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Added to KEV · Mar 5, 2026
Metasploit: Hikvision IP Camera Unauthenticated Password Change Via Improper Authentication Logic · Sep 23, 2017
Nuclei: CVE-2017-7921 · Apr 7, 2021
This CVE's current EPSS score of 1.0000 is in the 100th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
hikvision.com / cn/support/CybersecurityCenter/SecurityNotices/20170314
Third Party Advisory
hikvision.com / en/support/cybersecurity/security-advisory/security-notification--privilege-escalating-vulnerability-in-cer
Third Party Advisory
hikvision.com / us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras
Third Party Advisory
ghostbin.com / paste/q2vq2
Broken Link
ics-cert.us-cert.gov / advisories/ICSA-17-124-01
Third Party AdvisoryUS Government Resource
hikvision.com / us/about_10805.html
PatchVendor Advisory
securityfocus.com / bid/98313
Broken LinkThird Party AdvisoryVDB Entry