CVE-2020-8865 - CVE House
Back to Database
Status published Medium CVE-2020-8865

This vulnerability allows remote attackers to execute local PHP files...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-8865

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Andrea Cardaci

References

More from Horde

View All →
CVE-2025-41066
Disclosure of sensitive information in Horde Groupware
Medium 6.9
CVE-2025-30349
Horde IMP through 6.2.27, as used with Horde Application Framework...
High 7.2
CVE-2020-8866
This vulnerability allows remote attackers to create arbitrary files on...
Medium 4.3

Affected Vendor

Affected Software

Groupware Webmail Edition
Vulnerable Versions:
5.2.22

Timeline

Official Publish: March 23rd, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses (CWE)

CWE-23

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1005 Data from Local System
Collection
T1552 Unsecured Credentials
Credential Access
T1105 Ingress Tool Transfer
Command and Control
T1565 Data Manipulation
Impact