5.3

CVE-2016-7433: ntp Incorrect Calculation

CVSS: 5.3v3.0MediumModified
AliasesUBUNTU-CVE-2016-7433DEBIAN-CVE-2016-7433
Published 13-01-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-7433 is a medium (CVSS 5.3) Incorrect Calculation vulnerability in ntp. EPSS estimates a 9.76% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
9.76%
0%100%
Low · -0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 6
OPENSUSE-SU-2024:10181-1RHSA-2017:0252SUSE-SU-2016:3193-1SUSE-SU-2016:3195-1SUSE-SU-2016:3196-1SUSE-SU-2017:0255-1

Timeline

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

Description

NTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecified impact via unknown vectors, related to a "root distance that did not include the peer dispersion."

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

9.76%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

-0.08 pp

From 9.84% on 18-09-2026

18-09-202618-10-2026
EPSS score
9.76%

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< 1:4.2.8p4+dfsg-3ubuntu5.5

3 vendors · 3 products

References

29 links
Show all 29 references