Roundcube Webmail Remote Code Execution Vulnerability

Added to KEV
2023-06-22
Federal due date
2023-07-13
Vendor
Roundcube
Product
Roundcube Webmail
EPSS
99.8th percentile (score 0.933, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2020-12641

CISA short description

Roundcube Webmail contains an remote code execution vulnerability that allows attackers to execute code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.