CVE-2025-34490

MEDIUMNVD 6.56.5—Trending — 3 sources updated this week

6.5

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.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 32.5%
KEV: Not listed

Published

April 28, 2025

Last Modified

November 4, 2025

References (3)

disclosure@vulncheckhttps://frycos.github.io/vulns4free/2025/04/28/mailessentials.html
disclosure@vulncheckhttps://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases
disclosure@vulncheckhttps://www.vulncheck.com/advisories/gfi-mailessentials-xxe-arbitrary-file-read

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-611Improper Restriction of XML External Entity Reference (XXE)

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 06:47 UTCEG score recompute
2026-05-30 06:47 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-34490?

CVE-2025-34490 is a medium vulnerability published on April 28, 2025. 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.

When was CVE-2025-34490 disclosed?

CVE-2025-34490 was first published in the National Vulnerability Database on April 28, 2025, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-34490 actively exploited?

CVE-2025-34490 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-34490?

CVE-2025-34490 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2025-34490?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-34490, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-34490

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-34490?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)