Vulnerability in Exim

CVE-2016-9963

Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.031 (87.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-9963: held from 0.031 to 0.031.

EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-9963?
CVE-2016-9963 is a medium-severity vulnerability in Exim, classified under CWE-320. CVSS score: 5.9/10. Published 2017-02-01.
How severe is CVE-2016-9963?
Medium severity. CVSS v3 base score is 5.9 out of 10.