HOMEVULNERABILITIESCVE-2023-51646
MEDIUM

CVE-2023-51646

CWE-22Published: November 22, 2024· Updated: Jun 17, 2026

4.7
CVSS v3.1

Official Description

Allegra uploadSimpleFile Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the uploadSimpleFile method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22527.

NVD Source

Technical Analysis

CVE-2023-51646 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

alltena1 product(s)
allegra
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-24-109/

All References (2)

→
https://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.htmlRelease Notes
→
https://www.zerodayinitiative.com/advisories/ZDI-24-109/Third Party Advisory

Quick Facts

CVE IDCVE-2023-51646
CVSS Score4.7 / 10
SeverityMEDIUM
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedNov 22, 2024

Related CVEs (CWE-22)

CVE-2008-4526
10.0
CVE-2008-6833
10.0
CVE-2010-5323
10.0
CVE-2010-5324
10.0
CVE-2014-3914
10.0
CVE-2008-6834
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-51646 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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