CVE-2020-12641: Roundcube Webmail Remote Code Execution Vulnerability
Vulnerability summary
CVE-2020-12641 is a critical (CVSS 9.8) OS Command Injection vulnerability in Roundcube Roundcube Webmail. It is known to be exploited: CISA lists it, first on 22-06-2023. EPSS estimates a 84.46% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 04-05-2020PublishedVulnerability first disclosed.
- 22-06-2023Added to CISA KEVRoundcube Webmail Remote Code Execution Vulnerability
- 13-07-2023CISA remediation dueApply updates per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
84.46%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
+0.12 pp
From 84.34% on 20-09-2026
Known exploited
Compare KEV catalogs- Added
- 22-06-2023
- Federal due date
- 13-07-2023
CISA required action
Apply updates per vendor instructions. roundcube.net/news/2020/04/29/security-updates-1.4.4-1.3.11-and-1.2.10 nvd.nist.gov/vuln/detail/CVE-2020-12641
Public exploits
1 foundDisclosures
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Opensuse2 products
- backports_sle15.0:sp1 | 15.0:sp2
- leapEOL15.1 | 15.2
Debian1 product
- roundcube< 1.4.4+dfsg.1-1
Roundcube1 product
- webmail≥ 1.2.0, < 1.2.10 | ≥ 1.3.0, < 1.3.11 | ≥ 1.4.0, < 1.4.4
Ubuntu1 product
- roundcube< 1.2~beta+dfsg.1-0ubuntu1+esm2 | < 1.3.6+dfsg.1-1ubuntu0.1~esm2 | < 1.4.3+dfsg.1-1ubuntu0.1~esm1
4 vendors · 5 products
References
13 links- roundcube.net/news/2020/04/29/security-updates-1.4.4-1.3.11-and-1.2.10X Refsource MISCREPORTRelease NotesVendor Advisory
- github.com/roundcube/roundcubemail/commit/fcfb099477f353373c34c8a65c9035b06b364db3X Refsource MISCREPORTPatch
- github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-12641-Command%20Injection-RoundcubeX Refsource MISCExploitThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00083.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-12641Government ResourceUS Government Resource