CVE-2017-6451

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/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

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

2017-03-27 17:00Z9 YR AGO

Last updated

2024-08-05 15:33Z2 YR AGO

Reserved

2017-03-03

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

1085dee866480cacb517e11a8dff4e26e0910a0492f793f4306f71f332a14137

• support.ntp.orghttp://support.ntp.org/bin/view/Main/NtpBug3378x_refsource_CONFIRM
• www.securitytracker.com1038123http://www.securitytracker.com/id/1038123vdb-entryx_refsource_SECTRACK
• www.securityfocus.com97058http://www.securityfocus.com/bid/97058vdb-entryx_refsource_BID
• support.apple.comhttps://support.apple.com/HT208144x_refsource_CONFIRM
• www.securitytracker.com1039427http://www.securitytracker.com/id/1039427vdb-entryx_refsource_SECTRACK
• support.ntp.orghttp://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secux_refsource_CONFIRM
• support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_usx_refsource_CONFIRM