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Fencer Vulns
critical 9.0

CVE-2008-4932 json

webmail/modules/filesystem/edit.php in U-Mail Webmail server 4.91 allows remote attackers to overwrite arbitrary files via an absolute path…

published 2008-11-05 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4911

cvss
9.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

webmail/modules/filesystem/edit.php in U-Mail Webmail server 4.91 allows remote attackers to overwrite arbitrary files via an absolute pathname in the path parameter and arbitrary content in the content parameter. NOTE: this can be leveraged for code execution by writing to a file under the web document root.

Timeline

  1. First public exploit (EDB-6898)
  2. Published

Exploit prediction

5.52% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-6898 U-Mail Webmail 4.91 - 'edit.php' Arbitrary File Write webapps, 2008-10-31
  • securityfocus.com http://www.securityfocus.com/bid/32013 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.