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CVE-2023-45966

22
FAUCET Score

CVE-2023-45966 is a Blind Server-Side Request Forgery (SSRF) vulnerability affecting umputun remark42 version 1.12.1 and earlier. This high-severity flaw (CVSS 7.5) allows an unauthenticated attacker to make arbitrary requests from the server, potentially leading to information disclosure. While no active exploitation, public exploit code, or significant community discussion has been observed, organizations using affected versions should prioritize patching to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.12.1CPE matchmatch criteria
cpe:2.3:a:remark42:remark42:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 21st percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

github.com / jet-pentest/CVE-2023-45966
Third Party Advisory
github.com / umputun/remark42/issues/1677
ExploitIssue TrackingThird Party Advisory