CVE-2025-59689
Libraesva Email Security Gateway Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://docs.libraesva.com/knowledgebase/security-advisory-command-injection-vulnerability-cve-2025-59689/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-59689
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.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Libraesva | Email Security Gateway | 4.5 to <5.0.31 5.1 to <5.1.20 5.2 to <5.2.31 5.3 to <5.4.8 5.5 to <5.5.7 |
References
2 LinksRecord Details
Related Tool Categories
Tool categories that test for or protect against this vulnerability class.
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