5.9

CVE-2016-9963: canonical ubuntu_linux Key Management Errors

CVSS: 5.9v3.0MediumModified
AliasesUBUNTU-CVE-2016-9963USN-3164-1DEBIAN-CVE-2016-9963
Published 01-02-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-9963 is a medium (CVSS 5.9) Key Management Errors vulnerability in canonical ubuntu_linux. EPSS estimates a 3.10% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
3.10%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:10746-1

Timeline

  1. 01-02-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.10%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.10% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • exim4< 4.88~RC6-2 | < 4.84.2-2+deb8u2 | < 4.80-7+deb7u4
  • debian_linuxEOL8.0
Canonical1 product
Exim1 product
Ubuntu1 product
  • exim4< 4.82-3ubuntu2.2 | < 4.86.2-2ubuntu2.1

4 vendors · 5 products

References

12 links
Show all 12 references