CVE-2016-4956

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

16.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.7% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-07-05 01:00Z10 YR AGO

Last updated

2024-08-06 00:46Z2 YR AGO

Reserved

2016-05-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

No CWE assigned

Data version

5.1

Document digest

17949c9c529747ec750c727ddb7256cb12c3e8770749b3ff56dfa188b1df1120

• lists.opensuse.orgSUSE-SU-2016:1602http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.htmlvendor-advisoryx_refsource_SUSE
• www.ubuntu.comUSN-3096-1http://www.ubuntu.com/usn/USN-3096-1vendor-advisoryx_refsource_UBUNTU
• lists.fedoraproject.orgFEDORA-2016-c3bd6a3496https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/vendor-advisoryx_refsource_FEDORA
• www.securityfocus.com91009http://www.securityfocus.com/bid/91009vdb-entryx_refsource_BID
• lists.opensuse.orgopenSUSE-SU-2016:1583http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.htmlvendor-advisoryx_refsource_SUSE
• security.freebsd.orgFreeBSD-SA-16:24https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.ascvendor-advisoryx_refsource_FREEBSD
• lists.opensuse.orgSUSE-SU-2016:1912http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2016-89e0874533https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/vendor-advisoryx_refsource_FEDORA
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_usx_refsource_CONFIRM
• www.securitytracker.com1036037http://www.securitytracker.com/id/1036037vdb-entryx_refsource_SECTRACK
• lists.opensuse.orgSUSE-SU-2016:1584http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.htmlvendor-advisoryx_refsource_SUSE
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlx_refsource_CONFIRM
• support.ntp.orghttp://support.ntp.org/bin/view/Main/NtpBug3042x_refsource_CONFIRM
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• lists.fedoraproject.orgFEDORA-2016-50b0066b7fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/vendor-advisoryx_refsource_FEDORA
• lists.opensuse.orgopenSUSE-SU-2016:1636http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgSUSE-SU-2016:1563http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.htmlvendor-advisoryx_refsource_SUSE
• security.gentoo.orgGLSA-201607-15https://security.gentoo.org/glsa/201607-15vendor-advisoryx_refsource_GENTOO
• packetstormsecurity.comhttp://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.htmlx_refsource_MISC
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• www.securityfocus.com20170607 [security bulletin] HPESBHF03757 rev.1 - HPE Network Products including Comware 5 and Comware 7 running NTP, Remote Denial of Service (DoS)http://www.securityfocus.com/archive/1/540683/100/0/threadedmailing-listx_refsource_BUGTRAQ
• lists.opensuse.orgSUSE-SU-2016:1568http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.htmlvendor-advisoryx_refsource_SUSE
• www.securityfocus.com20160604 [slackware-security] ntp (SSA:2016-155-01)http://www.securityfocus.com/archive/1/538599/100/0/threadedmailing-listx_refsource_BUGTRAQ
• www.securityfocus.com20170607 [security bulletin] HPESBHF03757 rev.1 - HPE Network Products including Comware 5 and Comware 7 running NTP, Remote Denial of Service (DoS)http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threadedmailing-listx_refsource_BUGTRAQ
• www.securityfocus.com20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntphttp://www.securityfocus.com/archive/1/538600/100/0/threadedmailing-listx_refsource_BUGTRAQ
• www.kb.cert.orgVU#321640https://www.kb.cert.org/vuls/id/321640third-party-advisoryx_refsource_CERT-VN
• www.securityfocus.com20160604 [slackware-security] ntp (SSA:2016-155-01)http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threadedmailing-listx_refsource_BUGTRAQ
• www.securityfocus.com20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntphttp://www.securityfocus.com/archive/1/archive/1/538600/100/0/threadedmailing-listx_refsource_BUGTRAQ
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdfx_refsource_CONFIRM
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