4.3

CVE-2016-7429: ntp DEPRECATED: Source Code

CVSS: 4.3v2.0MediumModified
AliasesUBUNTU-CVE-2016-7429DEBIAN-CVE-2016-7429
Published 13-01-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-7429 is a medium (CVSS 4.3) DEPRECATED: Source Code vulnerability in ntp. EPSS estimates a 7.36% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
7.36%
0%100%
Low · -0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 6

Timeline

  1. 13-01-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

7.36%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

-0.06 pp

From 7.42% on 18-09-2026

18-09-202618-10-2026
EPSS score
7.36%

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

Debian1 product
  • ntp< 1:4.2.8p9+dfsg-1
Ntp1 product
Ubuntu1 product
  • ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11 | < 1:4.2.8p4+dfsg-3ubuntu5.5

3 vendors · 3 products

References

14 links
Show all 14 references