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Published: 14/09/2021 Updated: 14/12/2021

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Received webpackets are not properly processed. An unauthenticated remote attacker with access to any of the Ethernet interfaces could send specially crafted packets to force a restart of the target device.

Vulnerable Product	Search on Vulmon	Subscribe to Product
siemens siprotec 5 with cpu variant cp050
siemens siprotec 5 with cpu variant cp100
siemens siprotec 5 with cpu variant cp300

CWE-20 https://cert-portal.siemens.com/productcert/pdf/ssa-500748.pdf https://nvd.nist.gov

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CVE-2021-37206

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