ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then…
Priority LOW 33CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-284.
Summary
ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then impersonate peers via unspecified vectors.
Why it matters now
EPSS 0.05935 93rd percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ntp:ntp:*:p6:*:*:*:*:*:* | up to 4.2.8 | Vulnerable | NTP Project |
- cpe:2.3:a:ntp:ntp:*:p6:*:*:*:*:*:* Versions up to 4.2.8 Vulnerable ·NTP Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8139
- 2026-10-03 Alias added: GHSA-qmqw-w975-8wjm
References
Advisory 15
- 20160120 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products - January 2016
- FEDORA-2016-c3bd6a3496
- SUSE-SU-2016:1177
- FEDORA-2016-89e0874533
- openSUSE-SU-2016:1292
- VU#718152
- http://support.ntp.org/bin/view/Main/NtpBug2946
- SUSE-SU-2016:1247
- SUSE-SU-2016:1311
- FEDORA-2016-50b0066b7f
- SUSE-SU-2016:1175
- FreeBSD-SA-16:09
- https://bto.bluecoat.com/security-advisory/sa113
- openSUSE-SU-2016:1423
- GLSA-201607-15
More NTP Project Ntp vulnerabilities
- TI-2015-06541 Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows… CVSS 3.1CRITICAL 9.8
- TI-2014-07543 Multiple stack-based buffer overflows in ntpd in NTP before 4.2.8 allow remote attackers… CVSS 2.0HIGH 7.5
- TI-2013-04524 The monlist feature in ntp_request.c in ntpd in NTP before 4.2.7p26 allows remote… CVSS 2.0MEDIUM 5.0
- TI-2016-06333 The read_mru_list function in NTP before 4.2.8p9 allows remote attackers to cause a… CVSS 3.1HIGH 7.5
- TI-2018-08842 Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker… CVSS 3.0CRITICAL 9.8
- TI-2016-04280 ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon… CVSS 3.1HIGH 7.5
Sources
- CVE-2015-8139 · CVE Program
- CVE-2015-8139 · NVD
- FIRST EPSS
- GHSA-qmqw-w975-8wjm · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8139 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences