9.8

CVE-2020-12641: Roundcube Webmail Remote Code Execution Vulnerability

CVSS: 9.8v3.1CriticalKEVAnalyzed
AliasesUBUNTU-CVE-2020-12641DEBIAN-CVE-2020-12641
Published 04-05-2020Last modified 21-10-2025

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.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
84.46%
0%100%
Critical · +0.12 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 4 · Related 4

Timeline

  1. 04-05-2020
    PublishedVulnerability first disclosed.
  2. 22-06-2023
    Added to CISA KEVRoundcube Webmail Remote Code Execution Vulnerability
  3. 13-07-2023
    CISA remediation dueApply updates per vendor instructions.
  4. 21-10-2025
    Last 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

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

20-09-202620-10-2026
EPSS score
84.46%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
22-06-2023
Federal due date
13-07-2023

Public exploits

1 found
  • githubUnverified

    Disclosures

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Opensuse2 products
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
Show all 13 references