CVE-2025-59689
Last modified
CVE-2025-59689 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.93% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libraesva | Email Security Gateway | >= 4.5, < 5.0.31 |
| Libraesva | Email Security Gateway | >= 5.1.0, < 5.1.20 |
| Libraesva | Email Security Gateway | >= 5.2.0, < 5.2.31 |
| Libraesva | Email Security Gateway | >= 5.3.0, < 5.3.16 |
| Libraesva | Email Security Gateway | >= 5.4.0, < 5.4.8 |
| Libraesva | Email Security Gateway | >= 5.5.0, < 5.5.7 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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