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CVE-2021-25668

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT...

Published: Apr 22, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-122
9.8CRITICAL
NVD MITRE
EPSS Score
1.6%
Top 27.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Several SCALANCE X-200 switches contain buffer overflow vulnerabilities in the web server. In the most severe case an attacker could potentially remotely execute code. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-122CWE-787

Affected Products

Siemens AG
commercial·DEaka siemens
scalance x200-4p irt firmware
ICS / OT / IoT
scalance x201-3p irt firmware
ICS / OT / IoT
scalance x201-3p irt pro firmware
ICS / OT / IoT
scalance x202-2 irt firmware
ICS / OT / IoT
scalance x202-2p irt pro firmware
ICS / OT / IoT
scalance x204 irt firmware
ICS / OT / IoT
scalance x204 irt pro firmware
ICS / OT / IoT
scalance x204-2 firmware
ICS / OT / IoT
and 79 more affected products View all →

Exploitability

Official Patch 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
Privilege Escalation
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-187092.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/txt/ssa-187092.txt
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-187092.pdf
cert-portal.siemens.com
and 13 more references View all →
News mentions
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