CVE-2025-34489

Published Apr 28, 2025

Last updated 2 months ago

Overview

Description: GFI MailEssentials prior to version 21.8 is vulnerable to a local privilege escalation issue. A local attacker can escalate to NT Authority/SYSTEM by sending a crafted serialized payload to a .NET Remoting Service.
Source: disclosure@vulncheck.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.8
Impact score: 5.9
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH

Weaknesses

disclosure@vulncheck.com: CWE-502
nvd@nist.gov: CWE-502

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BF05D573-6502-4902-95CC-59E8F15A38FC",
            "versionEndExcluding": "21.8"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.