THREATPORT/VULNERABILITY/CVE-2020-8865
MEDIUM SEVERITY

CVE-2020-8865

Groupware vulnerability

CVSS
6.3
EPSS
6.8%
EPSS pct
93th
Exploited
No known
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.
Affected vendor
Horde
Affected product
Groupware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness type (CWE)
Published
2020-03-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 6.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2020-8865

  • Confirm whether Horde Groupware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-8865.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-8865

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-8865 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2020-8865?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2020-8865.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM
CVE-2025-60676
Dir 878 Firmware vulnerability
MEDIUM
CVE-2025-13306
Dwr M920 Firmware vulnerability
MEDIUM
CVE-2025-65093
Librenms vulnerability