CVE-2021-33719

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). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition or potential remote code execution.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf	Patch Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp050::::::::
	cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp100::::::::
	cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp300::::::::

Information

Published : 2021-09-14 04:15

Updated : 2021-12-16 10:25

NVD link : CVE-2021-33719

Mitre link : CVE-2021-33719

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

siemens

siprotec_5_with_cpu_variant_cp100
siprotec_5_with_cpu_variant_cp050
siprotec_5_with_cpu_variant_cp300

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