Search/CVE-2025-59689
● CVE — Medium

CVE-2025-59689

VendorlibraesvaProductemail security gatewayDiscoveredSep 19, 2025UpdatedNov 5, 2025

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.

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CVSS v3.1
6.1 MEDIUM
EPSS
1.96%
probability of exploitation in 30 days
CISA KEV
Listed
confirmed active exploitation
News coverage
3
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 30, 2026
▲ 0.04pp
1.91% → 1.96% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Connections
5 relationships
Timeline
disclosure → media coverage
Sep 19, 2025
Disclosure — published as a CVE record. · last revised by NVD Nov 5, 2025
Sep 24, 2025
thehackernews.com reports: State-Sponsored Hackers Exploiting Libraesva Email Security Gateway Vulnerability
Sep 24, 2025
securityweek.com reports: Libraesva Email Security Gateway Vulnerability Exploited by Nation-State Hackers
Sep 24, 2025
helpnetsecurity.com reports: Libraesva ESG zero-day vulnerability exploited by attackers (CVE-2025-59689)