GFI MailEssentials < 21.8 XXE Arbitrary File Read
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GFI Software | MailEssentials | before 21.8 | 21.8 | Patch available | CNA |
- MailEssentials VendorGFI Software Affected before 21.8 Fixed in 21.8 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:* | before 21.8 | Vulnerable | GFI Software |
- cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:* Versions before 21.8 Vulnerable ·GFI Software
Remediation
- Fix · CNA MailEssentials (GFI) Fixed in 21.8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
GFI MailEssentials — gfi.ai/products-and-solutions/network-security-solutions/ma…
3 records Highest priority Priority HIGH 2 HIGH, 1 LOW
Other records, highest priority first
- TI-2025-24524 GFI MailEssentials < 21.8 MultiNode Insecure DeserializationPriority HIGH 73
- TI-2025-24522 GFI MailEssentials < 21.8 Local Privilege EscalationPriority HIGH 69
Timeline
- 2026-10-02 Threatist record created from CVE-2025-34490
- 2026-10-03 Alias added: GHSA-2vcm-447j-6j4j
References
More GFI Software Mailessentials vulnerabilities
- TI-2025-24524 GFI MailEssentials < 21.8 MultiNode Insecure Deserialization CVSS 3.1HIGH 8.8
- TI-2025-24522 GFI MailEssentials < 21.8 Local Privilege Escalation CVSS 3.1HIGH 7.8
- TI-2004-01190 A bug in the HTML parser in a certain Microsoft HTML library, as used in various third… CVSS 2.0HIGH 10.0
- TI-2026-19022 GFI MailEssentials AI < 22.4 ListServer.IsPathExist() Absolute Directory Traversal to File Enumeration CVSS 4.0MEDIUM 5.3
- TI-2026-19021 GFI MailEssentials AI < 22.4 ListServer.IsDBExist() Absolute Directory Traversal to File Enumeration CVSS 4.0MEDIUM 5.3
- TI-2026-19020 GFI MailEssentials AI < 22.4 General Settings Local Domains Domain Description Stored XSS CVSS 4.0MEDIUM 5.1
Sources
- CVE-2025-34490 · CVE Program
- CVE-2025-34490 · NVD
- FIRST EPSS
- GHSA-2vcm-447j-6j4j · GitHub Advisory Database · CC BY 4.0
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