CVEvulnerability
CVE-2025-59689
CISA Known Exploited Vulnerability
Libraesva Email Security Gateway Command Injection Vulnerability — Libraesva Email Security Gateway
Libraesva Email Security Gateway (ESG) contains a command injection vulnerability which allows command injection via a compressed e-mail attachment.
- Added to KEV
- 2025-09-29
- Remediation due
- 2025-10-20
- Ransomware use
- Unknown
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Notes
- https://docs.libraesva.com/knowledgebase/security-advisory-command-injection-vulnerability-cve-2025-59689/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-59689
- Status
- Analyzed
- Published
- 2025-09-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-77
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 configurations
• libraesva email security gateway (>= 4.5 < 5.0.31)
• libraesva email security gateway (>= 5.1.0 < 5.1.20)
• libraesva email security gateway (>= 5.2.0 < 5.2.31)
• libraesva email security gateway (>= 5.3.0 < 5.3.16)
• libraesva email security gateway (>= 5.4.0 < 5.4.8)
• libraesva email security gateway (>= 5.5.0 < 5.5.7)
Related
Weakness · CWE (1)
- CWE-77 Improper Neutralization of Special Elements used in a Command weakness