CVE-2025-34490

MEDIUM
2025-04-28 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:39 vuln.today
PoC Detected
Nov 04, 2025 - 23:15 vuln.today
Public exploit code
CVE Published
Apr 28, 2025 - 19:15 nvd
MEDIUM 6.5

Tags

XXE Mailessentials

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.

Analysis

GFI MailEssentials prior to version 21.8 is vulnerable to an XML External Entity (XXE) issue. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. 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 include: Gfi Mailessentials. Version information: version 21.8.

Affected Products

Gfi Mailessentials.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Priority Score

53
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +32
POC: +20

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CVE-2025-34490 vulnerability details – vuln.today
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