Unrated severityNVD Advisory· Published Sep 14, 2021· Updated Aug 3, 2024
CVE-2021-33720
CVE-2021-33720
Description
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.
Affected products
4- Range: < V8.80 (depending on CPU variant CP050, CP100, CP300)
All versions < V8.80+ 2 more
- (no CPE)range: All versions < V8.80
- (no CPE)range: All versions < V8.80
- (no CPE)range: All versions < V8.80
Patches
Vulnerability mechanics
References
1- cert-portal.siemens.com/productcert/pdf/ssa-847986.pdfmitrex_refsource_MISC
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