peter bassill · operator
$ cve CVE-2025-59689 JSON

CVE-2025-59689 KEV

6.1
MEDIUM · CVSS 3.1 · EPSS 1.9% (pctl 78)

Patch first

On CISA KEV — known exploited in the wild, due 2025-10-20.

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.

Scoring

CVSS6.1 (MEDIUM, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS1.86% — more likely to be exploited than 78% of all CVEs
WeaknessCWE-77
On CISA KEVyes — remediate by 2025-10-20
Public exploitnone known
Published2025-09-19
Last modified2026-06-17

CISA KEV

NameLibraesva Email Security Gateway Command Injection Vulnerability
Added2025-09-29
Due2025-10-20
Vendor / productLibraesva / Email Security Gateway
Ransomware usenone reported

Affected (1)

VendorProduct
libraesvaemail security gateway

References

→ the Explorer  ·  watch your stack  ·  NVD