Vulnerability CVE-2021-25673


Published: 2021-03-15

Description:
A vulnerability has been identified in SIMATIC S7-PLCSIM V5.4 (All versions). An attacker with local access to the system could cause a Denial-of-Service condition in the application when it is used to open a specially crafted file. As a consequence, the application could enter an infinite loop, become unresponsive and must be restarted to restore the service.

Type:

CWE-835

(Loop with Unreachable Exit Condition ('Infinite Loop'))

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Siemens -> Simatic s7-plcsim 

 References:
https://cert-portal.siemens.com/productcert/pdf/ssa-256092.pdf

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