CVE-2021-25675: Divide by Zero
First published: Mon Mar 15 2021(Updated: )
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, a divide by zero operation could occur and cause the application to terminate unexpectedly and must be restarted to restore the service.
Credit: productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SIMATIC S7-PLCSIM | =5.4 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the severity of CVE-2021-25675?
CVE-2021-25675 is classified as a medium severity vulnerability due to its potential to cause a Denial-of-Service condition.
How do I fix CVE-2021-25675?
To mitigate CVE-2021-25675, ensure that you do not open specially crafted files with SIMATIC S7-PLCSIM V5.4.
Who is affected by CVE-2021-25675?
CVE-2021-25675 affects all versions of SIMATIC S7-PLCSIM V5.4 from Siemens.
What type of attack is possible with CVE-2021-25675?
An attacker with local access can exploit CVE-2021-25675 to cause a Denial-of-Service condition.
What could happen if CVE-2021-25675 is exploited?
Exploiting CVE-2021-25675 could lead to a divide by zero operation that crashes the application.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/severity
- agent/weakness
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/siemens
- canonical/simatic s7-plcsim
- version/simatic s7-plcsim/5.4