Vulnerability · Published Apr 28, 2025 · Assigned by VulnCheck
CVE-2025-34490GFI MailEssentials < 21.8 XXE Arbitrary File Read
Medium 6.5
In plain English
A medium-severity XML external entity in MailEssentials from GFI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.7%top 45.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GFI | MailEssentials | 0 – before 21.8 |
Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html exploit, technical-description
- https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases vendor-advisory
- https://www.vulncheck.com/advisories/gfi-mailessentials-xxe-arbitrary-file-read third-party-advisory