What’s Vulnerable › Vulnerabilities

CVE-2019-19920

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-22 · updated 2026-06-17
• Weakness: CWE-78

Description

sa-exim 4.2.1 allows attackers to execute arbitrary code if they can write a .cf file or a rule. This occurs because Greylisting.pm relies on eval (rather than direct parsing and/or use of the taint feature). This issue is similar to CVE-2018-11805.

Affected products

• Canonical Ubuntu Linux: 16.04
• Debian Linux: 8.0, 9.0, 10.0
• Sa-Exim Project Sa-Exim: 4.2.1

References

• https://bugs.debian.org/946829#24
• https://lists.debian.org/debian-lts-announce/2020/01/msg00006.html
• https://marc.info/?l=spamassassin-users&m=157668107325768&w=2
• https://marc.info/?l=spamassassin-users&m=157668305026635&w=2
• https://usn.ubuntu.com/4520-1/
• https://bugs.debian.org/946829#24
• https://lists.debian.org/debian-lts-announce/2020/01/msg00006.html
• https://marc.info/?l=spamassassin-users&m=157668107325768&w=2
• https://marc.info/?l=spamassassin-users&m=157668305026635&w=2
• https://usn.ubuntu.com/4520-1/

Get alerted when CVE-2019-19920 or the next vulnerability affects your stack