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Fencer Vulns
medium 6.3

CVE-2020-8865 json

This vulnerability allows remote attackers to execute local PHP files on affected installations of Horde Groupware Webmail Edition 5.2.22.

published 2020-03-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29707

cvss
6.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
2
Exploit-DB

Summary

This vulnerability allows remote attackers to execute local PHP files on affected installations of Horde Groupware Webmail Edition 5.2.22. Authentication is required to exploit this vulnerability. The specific flaw exists within edit.php. When parsing the params[template] parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the www-data user. Was ZDI-CAN-10469.

Patch / fix

  • php-horde-trean Debian 12 1.1.10-1

debian advisories DEBIAN-CVE-2020-8865

Timeline

  1. First public exploit (EDB-48210)
  2. Published

Exploit prediction

6.81% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-48210 Horde Groupware Webmail Edition 5.2.22 - PHAR Loading webapps, 2020-03-11
  • EDB-48209 Horde Groupware Webmail Edition 5.2.22 - PHP File Inclusion webapps, 2020-03-11

CVSS scores

assigned by version score vector
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • Horde Groupware Webmail Edition

Classification

Weakness
  • CWE-23 Relative Path Traversal
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

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.