Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2020-12641 is a critical-severity OS Command Injection (CWE-78) vulnerability in Roundcube Webmail. Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique NTDS (T1003.003); ranked in the top 0.3% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2020-12641 is a command injection vulnerability (CWE-78) in rcube_image.php within Roundcube Webmail versions prior to 1.4.4. It arises when user-supplied values containing shell metacharacters are passed to the ImageMagick utilities configured via the im_convert_path or im_identify_path settings, enabling arbitrary operating system command execution.
Unauthenticated remote attackers can exploit the flaw over the network by manipulating these configuration parameters. Successful exploitation grants full control over the affected webmail instance, including the ability to read, modify, or delete data and execute code with the privileges of the web server process.
The referenced Roundcube 1.4.4 release and associated commit address the issue by sanitizing the path configuration values before they are used in shell commands. OpenSUSE and other distribution advisories recommend upgrading to the patched version as the primary mitigation.
A public proof-of-concept demonstrating the injection vector is available in the referenced GitHub disclosure repository.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-4942
Vulnerability Data
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.
- CWE(s)
- KEV Date Added
- 22 June 2023
Related Threats
Threat-Actor AttributionAI
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.2.5V1.2.8
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.
Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.