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CVE-2023-28361

21
FAUCET Score

CVE-2023-28361 is a Cross-site WebSocket Hijacking (CSWSH) vulnerability affecting UniFi OS 2.5 and earlier, including various UniFi Cloud Key, UDM, and UNVR products. An attacker can exploit this by tricking a UniFi OS user into visiting a malicious webpage, potentially leading to unauthorized access to confidential information. Rated MEDIUM with a CVSS score of 6.5, this vulnerability requires user interaction (UI:R) but has low attack complexity (AC:L) and can result in high confidentiality impact (C:H). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.13CPE matchmatch criteria
cpe:2.3:o:uni:unifi_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
18.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 18th percentile among its peer group of 26,234 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.ui.com / releases/Security-Advisory-Bulletin-030-030/f9de9e65-585f-4c66-81e9-5d8f54ba66dd
Vendor Advisory