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01 Record

CVE-2015-5300

The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was greater than 128 milliseconds by default, which allows remote attackers to set NTP to

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was greater than 128 milliseconds by default, which allows remote attackers to set NTP to

03 Exploitation and scoring

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
9.13% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 95.0% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. 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.

04 Metadata

Published
2017-07-21 14:00Z9 YR AGO
Last updated
2024-08-06 06:41Z2 YR AGO
Reserved
2015-07-01
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
0a04b5569df01e3f4f9f59e9fed2e065fb1a2f951dcb109b90443b8a27b66011

05 Affected products

VendorProductVersionsPlatforms
canonicalubuntu_linuxNot specified—
debiandebian_linuxNot specified—
fedoraprojectfedoraNot specified—
ntpntpNot specified—
opensuseleapNot specified—
opensuseopensuseNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_linux_desktopNot specified—
redhatenterprise_linux_hpc_nodeNot specified—
redhatenterprise_linux_hpc_node_eusNot specified—
redhatenterprise_linux_serverNot specified—
redhatenterprise_linux_server_eusNot specified—
redhatenterprise_linux_workstationNot specified—
suselinux_enterprise_debuginfoNot specified—
suselinux_enterprise_desktopNot specified—
suselinux_enterprise_serverNot specified—
susemanagerNot specified—
susemanager_proxyNot specified—
suseopenstack_cloudNot specified—
susesuse_linux_enterprise_serverNot specified—

06 References

07 Fixed in

Debian 11

  • ntp
    Fixed in 1:4.2.8p4+dfsg-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • ntp
    Fixed in 1:4.2.6.p5+dfsg-3ubuntu2.14.04.5

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.