Critical severity · published Dec 12, 2023
CVE-2023-48427
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2)
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). Affected products do not properly validate the certificate of the configured UMC server. This could allow an attacker to intercept credentials that are sent to the UMC server as well as to manipulate responses, potentially allowing an attacker to escalate privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
Sinec Ins · Siemens
before 1.0; 1.0; 1.0; 1.0; 1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-48427
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-48427
Patch
https://cert-portal.siemens.com/productcert/pdf/ssa-077170.pdf
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