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CVE-2020-12641

CriticalPublished

Roundcube Webmail Remote Code Execution Vulnerability

Published: May 4, 2020
Updated: Oct 21, 2025
Assigning CNA: mitre
Evidence observed: Jun 22, 2023

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

84.3%

High · next 30 days

Percentile: 99.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.

Sources

CVE-2020-12641PoC
CVE-2020-12641: Command Injection via “_im_convert_path” Parameter in Roundcube Webmail
MAL-004Exploit
MAL-004: Command Injection Bypass for CVE-2020-12641 in Roundcube Webmail

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