Medium severity · published Apr 9, 2024
CVE-2023-50821
A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC04), SIMATIC WinCC Runtime Professional V17 (All versions < V17 Update 8), SIMATIC WinCC…
6.2
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC04), SIMATIC WinCC Runtime Professional V17 (All versions < V17 Update 8), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 1), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 16), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5). The affected products do not properly validate the input provided in the login dialog box. An attacker could leverage this vulnerability to cause a persistent denial of service condition.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
SIMATIC PCS 7 V9.1 · Siemens
before V9.1 SP2 UC04 · source: vendor
SW
SIMATIC WinCC Runtime Professional V17 · Siemens
before V17 Update 8 · source: vendor
SW
SIMATIC WinCC Runtime Professional V18 · Siemens
before V18 Update 4 · source: vendor
SW
SIMATIC WinCC Runtime Professional V19 · Siemens
before V19 Update 1 · source: vendor
SW
SIMATIC WinCC V7.5 · Siemens
before V7.5 SP2 Update 16 · source: vendor
SW
SIMATIC WinCC V8.0 · Siemens
before V8.0 Update 5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-50821
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-50821
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-730482.html
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