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CVE-2020-12641

96
FAUCET Score

CVE-2020-12641 is a critical command injection vulnerability affecting Roundcube Webmail versions prior to 1.4.4, as well as several openSUSE distributions. It allows unauthenticated attackers to execute arbitrary code by injecting shell metacharacters into specific configuration settings. With a CVSS score of 9.8, this flaw presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, notably by Russian APT28 hackers targeting Ukrainian organizations, and has garnered significant community attention and media coverage. While no Metasploit or ExploitDB modules are publicly available, Nuclei templates exist for detection.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.2.0, < 1.2.10CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
>= 1.3.0, < 1.3.11CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
>= 1.4.0, < 1.4.4CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
84.46%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Added to KEV · Jun 22, 2023
Nuclei: CVE-2020-12641 · Jun 1, 2025
This CVE's current EPSS score of 0.8446 is in the 98th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
lists.opensuse.org / opensuse-security-announce/2020-09/msg00083.html
Mailing ListThird Party Advisory
github.com / DrunkenShells/Disclosures/tree/master/CVE-2020-12641-Command%20Injection-Roundcube
ExploitThird Party Advisory
github.com / roundcube/roundcubemail/commit/fcfb099477f353373c34c8a65c9035b06b364db3
Patch
github.com / roundcube/roundcubemail/compare/1.4.3...1.4.4
Release Notes
github.com / roundcube/roundcubemail/releases/tag/1.4.4
Release Notes
roundcube.net / news/2020/04/29/security-updates-1.4.4-1.3.11-and-1.2.10
Release NotesVendor Advisory
security.gentoo.org / glsa/202007-41
Third Party Advisory