CRITICAL CISA KEV

CVE-2019-16928

CVSS v3

9.8

CRITICAL

EPSS Score

89.8%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.

CISA Known Exploited Vulnerability

Date Added
3/3/2022
Patch Due Date
3/17/2022
Ransomware Use
Unknown

Technical details

Published
9/27/2019

Frequently asked questions

What is CVE-2019-16928?

Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.

Is CVE-2019-16928 actively exploited?

Yes. CVE-2019-16928 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 3/17/2022.

What is the CVSS score for CVE-2019-16928?

CVE-2019-16928 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-16928 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.