CVE-2020-8866 Details
Description
This vulnerability allows remote attackers to create arbitrary files on affected installations of Horde Groupware Webmail Edition 5.2.22. Authentication is required to exploit this vulnerability. The specific flaw exists within add.php. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the www-data user. Was ZDI-CAN-10125.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2020/03/msg00036.html | CVE | Mailing ListThird Party Advisory |
| https://lists.horde.org/archives/announce/2020/001288.html | CVE | Mailing ListVendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-20-275/ | CVE | Third Party AdvisoryVDB Entry |
| https://lists.debian.org/debian-lts-announce/2020/03/msg00036.html | [email protected] | Mailing ListThird Party Advisory |
| https://lists.horde.org/archives/announce/2020/001288.html | [email protected] | Mailing ListVendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-20-275/ | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-434 | Unrestricted Upload of File with Dangerous Type | [email protected] |
| CWE-434 | Unrestricted Upload of File with Dangerous Type | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| horde groupware | 5.2.22 |
CPE
Remediation
| |
| horde horde form | < 2.0.20 |
CPE
Remediation
| |
| debian debian linux | 8.0 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Oct 7, 2022 | Modified Analysis | [email protected] |
| Mar 30, 2020 | CVE Modified | [email protected] |
| Mar 25, 2020 | Initial Analysis | [email protected] |