CVE-2015-7871

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

81.76% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.6% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2017-08-07 20:00Z9 YR AGO

Last updated

2024-08-06 08:06Z2 YR AGO

Reserved

2015-10-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass
• CWE-305Authentication Bypass by Primary WeaknessBase

Data version

5.1

Document digest

e149da54daa31e1d0d0f4282caae33b471c411d890e4707a29f39cf177a9e648

• support.ntp.orghttp://support.ntp.org/bin/view/Main/NtpBug2941x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1274265x_refsource_CONFIRM
• www.securitytracker.com1033951http://www.securitytracker.com/id/1033951vdb-entryx_refsource_SECTRACK
• www.debian.orgDSA-3388http://www.debian.org/security/2015/dsa-3388vendor-advisoryx_refsource_DEBIAN
• www.securityfocus.com77287http://www.securityfocus.com/bid/77287vdb-entryx_refsource_BID
• security.gentoo.orgGLSA-201604-03https://security.gentoo.org/glsa/201604-03vendor-advisoryx_refsource_GENTOO
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839x_refsource_CONFIRM
• security.gentoo.orgGLSA-201607-15https://security.gentoo.org/glsa/201607-15vendor-advisoryx_refsource_GENTOO
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20171004-0001/x_refsource_CONFIRM
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfx_refsource_CONFIRM