# CVE-2025-59689

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.

- Page: https://www.vulneraibility.com/cve/CVE-2025-59689
- CVSS: 6.1
- Known exploited: yes, in CISA KEV since 2025-09-29; CISA due date 2025-10-20
- EPSS: 1.96%
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-09-27)
- Weakness: CWE-77
- Published: 2025-09-19

## Affected versions

- Libraesva Email Security Gateway: affected >= 4.5 and < 5.0.31; >= 5.1 and < 5.1.20; >= 5.2 and < 5.2.31; >= 5.3 and < 5.4.8; >= 5.5 and < 5.5.7

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://www.libraesva.com/security-blog/
- [other] https://docs.libraesva.com/knowledgebase/security-advisory-command-injection-vulnerability-cve-2025-59689/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59689

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.