Is CVE-2020-8865 in the CISA KEV catalog?

No. CVE-2020-8865 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8865?

CVE-2020-8865 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2020-8865?

CVE-2020-8865 has an EPSS score of 6.81% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8865?

Upgrade php-horde-trean on debian 11 to 1.1.10-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-8865

MEDIUMEPSS 93th pctl

6.3

CVSS v3

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.

CWE-23 CWE-22Path Traversal

How to fix

Remediation Available

php-horde-treanDebian

Fixed in:1.1.10-1CVE-2020-8865

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

6.81%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.