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CVE-2023-30756

Published: Sep 10, 2024Updated: Sep 10, 2024 Sources: CVE List NVD BDU csafCWE-476
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
0.5%
Top 64.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-7 LTE (All versions < V3.5.20), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.5.20), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMATIC WinCC Runtime Advanced (All versions), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). The web server of the affected devices do not properly handle certain errors when using the Expect HTTP request header, resulting in NULL dereference. This could allow a remote attacker with no privileges to cause a denial of service condition in the system.

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
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Weaknesses

CWE-476

Affected Products

SIMATIC IPC DiagBaseSiemens AG
On-prem
Enterprise Software / collaboration-groupware
SIMATIC IPC DiagMonitorSiemens AG
On-prem
Enterprise Software / collaboration-groupware
SIMATIC WinCC Runtime AdvancedSiemens AG
On-prem
Enterprise Software / collaboration-groupware
SIMATIC CP 1242-7 V2Siemens AG
On-prem
Enterprise Software / collaboration-groupware
SIMATIC CP 1243-1 DNP3Siemens AG
On-prem
Enterprise Software / collaboration-groupware
siemens agcommercialDEEnterprise Softwareaka siemens
and 18 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/html/ssa-423808.html
cert-portal.siemens.com
https://nvd.nist.gov/vuln/detail/CVE-2023-30756&#13;
nvd.nist.gov
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Expect&#13;
developer.mozilla.org
and 9 more references View all →

Timeline

Published
Sep 10, 2024
Last Updated
Sep 10, 2024

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