CVE-2025-34491: GFI MailEssentials < 21.8 MultiNode Insecure Deserialization
GFI · MailEssentials
Vendor fix available · Affected: GFI MailEssentials · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 62% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- GFI · MailEssentialsbefore 21.8
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- GFI
- Published
- April 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-34491 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.