What’s Vulnerable › Vulnerabilities

CVE-2020-12640

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-04 · updated 2026-06-17
• Weakness: CWE-22

Description

Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php.

Affected products

• openSUSE Backports Sle: 15.0-sp1, 15.0-sp2
• openSUSE Leap: 15.1, 15.2
• Roundcube Webmail: from 1.2.0 before 1.2.10; from 1.3.0 before 1.3.11; from 1.4.0 before 1.4.4 — fixed in 1.2.10, 1.3.11, 1.4.4

How to fix

Upgrade to a fixed version: Roundcube Webmail 1.2.10, 1.3.11, 1.4.4. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00083.html
• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-12640-PHP%20Local%20File%20Inclusion-Roundcube
• https://github.com/roundcube/roundcubemail/commit/814eadb699e8576ce3a78f21e95bf69a7c7b3794
• https://github.com/roundcube/roundcubemail/compare/1.4.3...1.4.4
• https://github.com/roundcube/roundcubemail/releases/tag/1.4.4
• https://roundcube.net/news/2020/04/29/security-updates-1.4.4-1.3.11-and-1.2.10
• https://security.gentoo.org/glsa/202007-41
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00083.html
• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-12640-PHP%20Local%20File%20Inclusion-Roundcube
• https://github.com/roundcube/roundcubemail/commit/814eadb699e8576ce3a78f21e95bf69a7c7b3794
• https://github.com/roundcube/roundcubemail/compare/1.4.3...1.4.4
• https://github.com/roundcube/roundcubemail/releases/tag/1.4.4

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