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CVE-2015-7974

NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via...

Published: Jan 26, 2016Updated: May 6, 2026 Sources: CVE List NVD csafCWE-287
7.7HIGH
NVD MITRE
EPSS Score
5.7%
Top 8.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

TIM 4R-IE devices contain multiple vulnerabilities in the integrated NTP component as listed below. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-287

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
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
and 1 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
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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
Initial Access
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-497656.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-497656.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-103-11.json
raw.githubusercontent.com
and 21 more references View all →
News mentions
Could not load news mentions.

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