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CVE-2025-34490

GFI MailEssentials < 21.8 XXE Arbitrary File Read

MEDIUM
6.5
CVSS Score
Published: April 28, 2025 at 07:02 PM UTC
Updated: June 17, 2026 at 09:14 AM UTC
1 product affected across 1 vendorMailessentials

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mailessentials· Gfi
95%
v < 21.8
Affected range stops below 21.8, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Technical DescriptionExploit
Source: [email protected]
https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html
Vendor AdvisoryRelease Notes
Source: [email protected]
https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/gfi-mailessentials-xxe-arbitrary-file-read

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-611

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