Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 84.5%; technical severity is CVSS 9.8.
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.
Who should care
- Teams operating Backports Sle, Leap, Roundcube Webmail +1 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Backports Sle, Leap, Roundcube Webmail +1 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- GitHub Security patch Fcfb099477f353373c34c8a65c9035b06b364db3
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
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Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-78
- Affected versions
- Opensuse Backports Sle (Version 15.0 | Version 15.0); Opensuse Leap (Version 15.1 | Version 15.2); Roundcube Roundcube Webmail; Roundcube Webmail (Start Including 1.2.0, End Excluding 1.2.10 | Start Including 1.3.0, End Excluding 1.3.11 | Start Including 1.4.0, End Excluding 1.4.4)
- Fixed versions
- Roundcube Webmail (Fixed from 1.2.10, 1.3.11, 1.4.4)
- Published
- 4 May 2020
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 84.5%
- Signal calculated at 83