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CVE-2023-51644

24
FAUCET Score

CVE-2023-51644 is an Improper Access Control vulnerability in Allegra's SiteConfigAction, allowing unauthenticated remote attackers to execute arbitrary code. This flaw, stemming from a misconfiguration in Struts, affects all Allegra installations. With a CVSS score of 7.3 (HIGH), it presents a significant risk as it can be exploited remotely without authentication, leading to code execution in the context of LOCAL SERVICE. While no public exploits or Metasploit modules are currently available, the vulnerability has garnered considerable community discussion, indicating potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.5.1CPE matchmatch criteria
cpe:2.3:a:alltena:allegra:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
1.93%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 61st 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

trackplus.com / en/service/release-notes-reader/7-5-1-release-notes-2.html
Release Notes
zerodayinitiative.com / advisories/ZDI-24-102
Third Party Advisory