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CVE-2015-7977

Published: Jan 30, 2017Updated: May 13, 2026 Sources: CVE List NVD csafCWE-476
5.9MEDIUM
NVD MITRE
EPSS Score
6.3%
Top 7.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

siemens
commercial·DEaka siemens ag
tim 4r-ie firmware
ICS / OT / IoT
tim 4r-ie dnp3 firmware
ICS / OT / IoT
netapp
commercial·US
clustered data ontap
Hardware Firmware
oncommand balance
Hardware Firmware
ntp
oss-projectaka ntp daemon
ntpOn-prem
Networking Infrastructure / dns-dhcp-ntp
oracle
commercial·USaka oracle corp.
linuxOn-prem
Databases / cache-message-queue
freebsd
oss-project·US
freebsdOn-premOS
Operating Systems / unix-bsd
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
and 3 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2015-7977?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html
lists.fedoraproject.org
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
lists.opensuse.org
and 34 more references View all →
News mentions
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