- Description
- GFI MailEssentials prior to version 21.8 is vulnerable to a .NET deserialization issue. A remote and authenticated attacker can execute arbitrary code by sending crafted serialized .NET when joining to a Multi-Server setup.
- Source
- disclosure@vulncheck.com
- NVD status
- Analyzed
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
- Hype score
- Not currently trending
CVE-2025-34491 04/28/2025 08:15:20 PM BaseSeverity: HIGH GFI MailEssentials prior to version 21.8 is vulnerable to a .NET deserialization issue. A remote and authenticated attacker can execute arbitrary code by... https://t.co/Tp7vDxOTC6
@CVETracker
29 Apr 2025
6 Impressions
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🚨 CVE-2025-34491 🔴 HIGH (8.8) 🏢 GFI - MailEssentials 🏗️ 0 🔗 https://t.co/8iSejJMCne 🔗 https://t.co/LzcEHCPNqc #CyberCron #VulnAlert #InfoSec https://t.co/ZLPQCJeHpY
@cybercronai
29 Apr 2025
21 Impressions
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CVE-2025-34491 GFI MailEssentials prior to version 21.8 is vulnerable to a .NET deserialization issue. A remote and authenticated attacker can execute arbitrary code by sending craf… https://t.co/cuNZRyXIB9
@CVEnew
28 Apr 2025
343 Impressions
1 Retweet
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[CVE-2025-34491: HIGH] GFI MailEssentials pre-v21.8 has a critical .NET deserialization flaw. Attackers can run arbitrary code via manipulated serialized .NET data in Multi-Server configurations.#cve,CVE-2025-34491,#cybersecurity https://t.co/lFZ510PM1n https://t.co/yTiFfAl4j7
@CveFindCom
28 Apr 2025
34 Impressions
0 Retweets
0 Likes
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0 Quotes
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*",
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]