Back
CVE-2016-7431
NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this…
Medium5.3EPSS 8.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 8.9% · top 4.8% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
n/a
- affected n/a
References (25)
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03883en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- 94454 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://nwtime.org/ntp428p9_release/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#633847 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03899en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1037354 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://bto.bluecoat.com/security-advisory/sa139 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FreeBSD-SA-16:39 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
- http://support.ntp.org/bin/view/Main/NtpBug3102 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20170310 [security bulletin] HPESBUX03706 rev.1 - HP-UX NTP service running ntpd, Multiple Vulnerabilities (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20170310 [security bulletin] HPESBUX03706 rev.1 - HP-UX NTP service running ntpd, Multiple Vulnerabilities (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- openSUSE-SU-2016:3280 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03899en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3349-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03883en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-en (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-223/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20161222 FreeBSD Security Advisory FreeBSD-SA-16:39.ntp (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/140240/FreeBSD-Security-Advisory-FreeBSD-SA-16.39.ntp.html (opens in a new tab)x_refsource_MISCx_transferred
- 20161222 FreeBSD Security Advisory FreeBSD-SA-16:39.ntp (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11 (opens in a new tab)x_refsource_MISCx_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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .