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CVE-2023-51645

16
FAUCET Score

CVE-2023-51645 is a directory traversal vulnerability in Allegra's unzipFile method, allowing remote code execution on affected alltena allegra installations. Despite requiring authentication, the existing mechanism can be bypassed, enabling attackers to execute code as LOCAL SERVICE. This vulnerability has a CVSS score of 4.7 (Medium) due to its network attack vector and high privileges required, but it can lead to low impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

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

7.2HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.79%
Probability of exploitation in next 30 days
EPSS Percentile
76.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0179 is in the 83rd percentile among its peer group of 3,566 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

trackplus.com / en/service/release-notes-reader/7-5-1-release-notes-2.html
Release Notes
zerodayinitiative.com / advisories/ZDI-24-101
Third Party Advisory