High severity · published Jan 9, 2024
CVE-2023-49252
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7)
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The affected application allows IP configuration change without authentication to the device. This could allow an attacker to cause denial of service condition.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Simatic CN 4100 Firmware · Siemens
before 2.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-49252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-49252
Patch
https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf
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