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Fencer Intel
critical 9.8

CVE-2020-12640 json

Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_p…

published 6y ago modified 4mo ago also BIT-roundcube-2020-12640 , EUVD-2020-4941

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php.

Patch / fix

  • bitnami roundcube 1.2.10, 1.3.11, 1.4.4
  • roundcube webmail 1.2.10, 1.3.11, 1.4.4
  • roundcube Debian 14, Debian 13, Debian 12 1.4.4+dfsg.1-1

debian advisories DEBIAN-CVE-2020-12640

  • roundcube Ubuntu Pro 16.04 LTS 1.2~beta+dfsg.1-0ubuntu1+esm2
  • roundcube Ubuntu Pro 18.04 LTS 1.3.6+dfsg.1-1ubuntu0.1~esm2
  • roundcube Ubuntu Pro 20.04 LTS 1.4.3+dfsg.1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2020-12640

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • roundcubemail Package Hub 15 SP2, Package Hub 15 SP1, openSUSE Leap 15.2 +1 more 1.3.15-bp152.4.3.1

opensuse advisories openSUSE-SU-2020:1516-1

Is CVE-2020-12640 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-12640 updated cvss 8.1

roundcubemail: local file inclusion and code execution via crafted plugins option

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.73% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-12640-PHP%20Local%20File%20Inclusion-Roundcube referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
bitnami roundcube
>=1.2.0, <1.2.10
>=1.3.0, <1.3.11
>=1.4.0, <1.4.4
1.2.10
1.3.11
1.4.4

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.