Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-3805

28
FAUCET Score

CVE-2023-3805 is a critical improper authorization vulnerability affecting the Xiamen Four Letter Video Surveillance Management System, specifically in the UserInfoAction.class component up to version 20230712. This flaw allows for remote exploitation without authentication, potentially leading to complete compromise of confidentiality, integrity, and availability (CVSS 9.8). While public exploit details exist, there is no evidence of active exploitation, nor is there significant community discussion or media coverage surrounding this vulnerability. The vendor has not responded to disclosure attempts.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2023-07-12CPE matchmatch criteria
cpe:2.3:a:four-faith:video_surveillance_management_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 43rd percentile among its peer group of 36,897 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

No media coverage found for this CVE.

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

github.com / GUIqizsq/cve/blob/main/login.md
Exploit
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Third Party Advisory