CVE-2025-59689
mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.019 · 79 %ileEURUUSadded 2025-09-29remediate by 2025-10-20
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.
EPSS · scored 2026-10-26
Libraesva Email Security Gateway Command Injection Vulnerability
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (17)
Products and version ranges known to be affected.
- libraesva email security gateway4.5 → 5.0.31nvdUScpe:2.3:a:libraesva:email_security_gateway:*:*:*:*:*:*:*:*
- libraesva email security gateway5.1.0 → 5.1.20nvdUScpe:2.3:a:libraesva:email_security_gateway:*:*:*:*:*:*:*:*
- libraesva email security gateway5.2.0 → 5.2.31nvdUScpe:2.3:a:libraesva:email_security_gateway:*:*:*:*:*:*:*:*
- libraesva email security gateway5.3.0 → 5.3.16nvdUScpe:2.3:a:libraesva:email_security_gateway:*:*:*:*:*:*:*:*
- libraesva email security gateway5.4.0 → 5.4.8nvdUScpe:2.3:a:libraesva:email_security_gateway:*:*:*:*:*:*:*:*
- libraesva email security gateway5.5.0 → 5.5.7nvdUScpe:2.3:a:libraesva:email_security_gateway:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-59689cnnvd
- https://docs.libraesva.com/document/migration/libraesva-esg-4-x-to-5-x-migration-guide/Patchcnnvd
- https://docs.libraesva.com/knowledgebase/security-advisory-command-injection-vulnerability-cve-2025-59689/enisa_euvd
- https://www.libraesva.com/security-blog/enisa_euvd
- https://docs.libraesva.com/knowledgebase/security-advisory-command-injection-vulnerability-cve-2025-59689/Vendor Advisorynvd
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59689US Government Resourcenvd
- https://www.libraesva.com/security-blog/Vendor Advisorynvd
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