CVE-2025-6395
Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
Description
Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.5 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommends countermeasures for products where fixes are not, or not yet available.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat Inc.
commercial·USaka Red Hat
Novell Inc.
commercial·US
АО «НТЦ ИТ РОСА»
commercial·RU
Сообщество свободного программного обеспечения
oss-projectaka fsf
ООО «Ред Софт»
commercial·RUaka red soft
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
and 12 more affected products View all →
Exploitability
Official Patch Available
Workaround Available
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
References
https://cert-portal.siemens.com/productcert/csaf/ssa-082556.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-162-05.json
raw.githubusercontent.com
and 273 more references View all →
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