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Vulnerability record · CVE-2020-8865 · published 23 March 2020

CVE-2020-8865: Horde groupware relative path traversal vulnerability

Horde · Groupware

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.

6.3 CVSS 3.1 Medium EPSS 6.8% · top 6.2% CWE-23 · Relative path traversalCWE-22 · Path traversal
6.3CVSS 3.1 base score, v2 6.5
6.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.debian.org/debian-lts-announce/2020/04/msg00009.html Mailing ListThird Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-276/ Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2020/04/msg00009.html Mailing ListThird Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-276/ Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2020-8865), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.