Vulnerability · Published May 22, 2025 · Assigned by zdi

CVE-2025-3486Allegra isZipEntryValide Directory Traversal Remote Code Execution Vulnerability

High 7.2

In plain English

A high-severity path traversal in Allegra from Allegra. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.0)7.2High

Exploit odds (30 days)1.6%top 23.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Allegra isZipEntryValide 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 isZipEntryValide 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-25730.

Affected products (as reported)

Vendor	Product	Versions
Allegra	Allegra	8.1.1.49

Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

ZDI-25-255 x_research-advisory
vendor-provided URL vendor-advisory