Medium severity5.5NVD Advisory· Published Mar 15, 2021· Updated Jun 17, 2026
CVE-2021-25673
CVE-2021-25673
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.
Affected products
3- cpe:2.3:a:siemens:simatic_s7-plcsim:*:*:*:*:*:*:*:*
All versions+ 1 more
- (no CPE)range: All versions
- (no CPE)range: All versions
Patches
Vulnerability mechanics
References
1- cert-portal.siemens.com/productcert/pdf/ssa-256092.pdfnvdVendor Advisory
News mentions
0No linked articles in our index yet.