CVE-2025-34490
MEDIUMCVSS 6.5/10EPSS 0.59%
Last modified
CVE-2025-34490 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. GFI MailEssentials prior to version 21.8 is vulnerable to an XML External Entity (XXE) issue. An authenticated and remote attacker can send crafted HTTP requests to read arbitrary system files.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
Description
GFI MailEssentials prior to version 21.8 is vulnerable to an XML External Entity (XXE) issue. An authenticated and remote attacker can send crafted HTTP requests to read arbitrary system files.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gfi | Mailessentials | < 21.8 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-34490?
GFI MailEssentials prior to version 21.8 is vulnerable to an XML External Entity (XXE) issue. An authenticated and remote attacker can send crafted HTTP requests to read arbitrary system files.
How severe is CVE-2025-34490?
CVE-2025-34490 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2025-34490?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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- CVE-2025-34493Rejected reason: This CVE ID was rejected because it was res…
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- CVE-2025-34495Rejected reason: This CVE ID was rejected because it was res…
- CVE-2025-34496Rejected reason: This CVE ID was rejected because it was res…
Are you affected by CVE-2025-34490?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST