CVE-2025-59689

Libraesva · Published September 19, 2025

6.1

CVSS v3.1

MEDIUM

CISA KEV — Federal agencies must patch by deadline

Actively exploited in the wild

Patch availableGet patch

Description

Libraesva ESG 4.5 through 5.5.x before 5.5.7 allows command injection via a compressed e-mail attachment. For ESG 5.0 a fix has been released in 5.0.31. For ESG 5.1 a fix has been released in 5.1.20. For ESG 5.2 a fix has been released in 5.2.31. For ESG 5.4 a fix has been released in 5.4.8. For ESG 5.5. a fix has been released in 5.5.7.

Affected Products

Email Security Gateway < 5.0.31
Email Security Gateway < 5.1.20
Email Security Gateway < 5.2.31
Email Security Gateway < 5.3.16

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N