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Vulnerabilities / CVE-2020-1946

critical

CVE-2020-1946

spamassassin: Malicious rule configuration files can be configured to run system commands

Published Modified CWE 78
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), AlmaLinux (medium), Amazon (medium), Oracle (medium), Rocky Linux (medium), Ubuntu (medium).

Description

In Apache SpamAssassin before 3.4.5, malicious rule configuration (.cf) files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA version 3.4.5, users should only use update channels or 3rd party .cf files from trusted places.

Affected packages and fixed versions

SourcePackageFixed in
alma 8spamassassin3.4.4-4.el8
alpine 3.10spamassassin3.4.5-r0
alpine 3.11spamassassin3.4.5-r0
alpine 3.12spamassassin3.4.5-r0
alpine 3.13spamassassin3.4.5-r0
alpine 3.14spamassassin3.4.5-r0
alpine 3.15spamassassin3.4.5-r0
alpine 3.16spamassassin3.4.5-r0
alpine 3.17spamassassin3.4.5-r0
alpine 3.18spamassassin3.4.5-r0
alpine 3.19spamassassin3.4.5-r0
alpine 3.20spamassassin3.4.5-r0
Show all 36 entries from 35 sources
SourcePackageFixed in
alma 8spamassassin3.4.4-4.el8
alpine 3.10spamassassin3.4.5-r0
alpine 3.11spamassassin3.4.5-r0
alpine 3.12spamassassin3.4.5-r0
alpine 3.13spamassassin3.4.5-r0
alpine 3.14spamassassin3.4.5-r0
alpine 3.15spamassassin3.4.5-r0
alpine 3.16spamassassin3.4.5-r0
alpine 3.17spamassassin3.4.5-r0
alpine 3.18spamassassin3.4.5-r0
alpine 3.19spamassassin3.4.5-r0
alpine 3.20spamassassin3.4.5-r0
alpine 3.21spamassassin3.4.5-r0
alpine 3.22spamassassin3.4.5-r0
alpine 3.23spamassassin3.4.5-r0
alpine 3.24spamassassin3.4.5-r0
alpine edgespamassassin3.4.5-r0
amazon linux 2spamassassin3.4.4-3.amzn2.0.1
amazon linux 2spamassassin-debuginfo3.4.4-3.amzn2.0.1
debian 10spamassassin3.4.2-1+deb10u3
debian 11spamassassin3.4.5~pre1-1
debian 12spamassassin3.4.5~pre1-1
debian 13spamassassin3.4.5~pre1-1
debian 14spamassassin3.4.5~pre1-1
debian 9spamassassin3.4.2-1~deb9u4
echospamassassin3.4.5~pre1-1
Oracle Linux 8spamassassin3.4.4-4.el8
Red Hatspamassassinno fix listed
rocky 8spamassassin3.4.4-4.el8
ubuntu 14.04-ESMspamassassin3.4.2-0ubuntu0.14.04.1+esm3
ubuntu 16.04spamassassin3.4.2-0ubuntu0.16.04.5
ubuntu 16.04-ESMspamassassin3.4.2-0ubuntu0.16.04.5
ubuntu 18.04spamassassin3.4.2-0ubuntu0.18.04.5
ubuntu 18.04-ESMspamassassin3.4.2-0ubuntu0.18.04.5
ubuntu 20.04spamassassin3.4.4-1ubuntu1.1
ubuntu 20.04-ESMspamassassin3.4.4-1ubuntu1.1

References

All 20 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.