CVE-2025-34489
GFI MailEssentials Local Privilege Escalation
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
*Credits:
Frycos
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-04-15 CVE Reserved
- 2025-04-28 CVE Published
- 2025-04-28 CVE Updated
- 2025-04-28 First Exploit
- 2025-05-04 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-502: Deserialization of Untrusted Data
CAPEC
- CAPEC-233: Privilege Escalation
- CAPEC-586: Object Injection
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html | 2025-04-28 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| GFI Search vendor "GFI" | MailEssentials Search vendor "GFI" for product "MailEssentials" | < 21.8 Search vendor "GFI" for product "MailEssentials" and version " < 21.8" | en |
Affected
| ||||||