cve-2021-33737
Vulnerability from cvelistv5
Published
2021-09-14 10:47
Modified
2024-08-03 23:58
Severity
7.5 (High) - cvssV3_1 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C
Summary
A vulnerability has been identified in SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions), SIMATIC CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIPLUS NET CP 443-1 (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (All versions < V3.3). Sending a specially crafted packet to port 102/tcp of an affected device could cause a denial of service condition. A restart is needed to restore normal operations.
References
SourceURLTags
productcert@siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-549234.pdfPatch, Vendor Advisory
Impacted products
VendorProduct
SiemensSIMATIC CP 343-1 (incl. SIPLUS variants)
SiemensSIMATIC CP 343-1 Advanced (incl. SIPLUS variants)
SiemensSIMATIC CP 343-1 ERPC
SiemensSIMATIC CP 343-1 Lean (incl. SIPLUS variants)
SiemensSIMATIC CP 443-1
SiemensSIMATIC CP 443-1
SiemensSIMATIC CP 443-1 Advanced
SiemensSIPLUS NET CP 443-1
SiemensSIPLUS NET CP 443-1 Advanced
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  }
}


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