CVE-2020-28018

Public on 2021-05-06

Modified on 2021-05-07

Description

Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.

Severity

Critical

See what this means

CVSS v3 Base Score

9.8

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 1	exim	2021-05-06 19:11	ALAS-2021-1497

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv2	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
Amazon Linux	CVSSv3	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	CVSSv2	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD	CVSSv3	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2020-28018 Mitre: CVE-2020-28018 FAQs regarding Amazon Linux ALAS/CVE Severity