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CVE-2015-8140
The ntpq protocol in NTP before 4.2.8p7 allows remote attackers to conduct replay attacks by sniffing the network.
- 4.8MediumCVSS base score
- 4.6%Exploitation in 30 daysEPSS · top 8.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The ntpq protocol in NTP before 4.2.8p7 allows remote attackers to conduct replay attacks by sniffing the network.
Timeline
ID reserved
By mitre
- 15 months later
· 15 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.8 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.2% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Affected products
n/a
- affected n/a
References
14
- 20160120 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products - January 2016 (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- SUSE-SU-2016:1177 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 1034782 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- openSUSE-SU-2016:1292 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- VU#718152 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- SUSE-SU-2016:1247 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:1311 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:1175 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://support.ntp.org/bin/view/Main/NtpBug2947 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FreeBSD-SA-16:09 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
- https://bto.bluecoat.com/security-advisory/sa113 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2016:1423 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-201607-15 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://security.netapp.com/advisory/ntap-20200204-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-8030 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-8140)Record last updated .