Vulnerability in NTP

CVE-2015-8139

ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then impersonate peers via unspecified vectors.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.059 (93.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% 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-2015-8139: held from 0.059 to 0.059.

EPSS over last 30 days · oldest: 0.059 · newest: 0.059 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8139?
CVE-2015-8139 is a medium-severity vulnerability in NTP, classified under Improper Access Control. CVSS score: 5.3/10. Published 2017-01-30.
How severe is CVE-2015-8139?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2015-8139 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.