Path Traversal in Allegra
CVE-2023-51646
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.018 (78.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Allegra — versions 7.5.0 build 29
- Alltena Allegra
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-24-109/ (x_research-advisory, Third Party Advisory)
- www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-51646?
- CVE-2023-51646 is a medium-severity vulnerability in Allegra, classified under Path Traversal. CVSS score: 4.7/10. Published 2024-11-22.
- How severe is CVE-2023-51646?
- Medium severity. CVSS v3 base score is 4.7 out of 10.