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CVE-2025-47222

22
FAUCET Score

CVE-2025-47222 is a class name enumeration vulnerability affecting Keyfactor SignServer versions prior to 7.3.2. This flaw allows an unauthenticated attacker to determine if specific class names exist within the application's deployment by observing differing error messages. The vulnerability carries a CVSS score of 6.5 (Medium), indicating it can be exploited over the network with low complexity to achieve low confidentiality and availability impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.3.1CPE matchmatch criteria
cpe:2.3:a:keyfactor:signserver:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
21.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 11th percentile among its peer group of 23,705 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

docs.keyfactor.com / signserver/latest/signserver-7-3-release-notes
Release Notes
support.keyfactor.com
Product
support.keyfactor.com / hc/en-us/articles/37639174814235-SignServer-CVE-2025-47222-Class-name-enumeration