Path Traversal in Allegra
CVE-2025-3485
Allegra extractFileFromZip Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is required to exploit this vulnerability. The specific flaw exists within the implementation of the extractFileFromZip 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 the current process. Was ZDI-CAN-26524.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.8% 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: 0.017 · change: -0.001
Affected products
- Allegra — versions 8.1.1.49
- Alltena Allegra
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-25-254/ (x_research-advisory, Third Party Advisory)
- alltena.com/en/resources/release-notes/release-notes-for-release-8-1-2 (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2025-3485?
- CVE-2025-3485 is a high-severity vulnerability in Allegra, classified under Path Traversal. CVSS score: 8.8/10. Published 2025-06-06.
- How severe is CVE-2025-3485?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-3485 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.