Medium severity · published Feb 10, 2025
CVE-2024-42513
Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when using HTTPS endpoints
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when using HTTPS endpoints.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
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
UN
UA .net Standard Stack · Opcfoundation
before 1.5.374.158 · source: NVD
SE
SIMATIC Energy Manager PRO V7.2 · Siemens
0 · source: CISA
SE
SIMATIC Energy Manager PRO V7.3 · Siemens
0 · source: CISA
SE
SIMATIC Energy Manager PRO V7.4 · Siemens
V7.4 Update 0 before V7.4 Update 7 · source: CISA
SE
SIMATIC Energy Manager PRO V7.5 · Siemens
V7.5 Update 0 before V7.5 Update 2 · source: CISA
SI
SIMATIC IPC DiagMonitor · Siemens
0 · source: CISA
SW
SIMATIC WinCC Unified V18 · Siemens
before V18 Update 6 · source: CISA
SW
SIMATIC WinCC Unified V19 · Siemens
before V19 Update 4 · source: CISA
SW
SIMATIC WinCC V8.0 · Siemens
before V8.0 Update 3 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-42513
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-42513
Vendor Advisory
https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2024-42513.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-858251.html
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