CVE-2021-21004highCWE-79

CVE-2021-21004: high-severity vulnerability in Phoenix Contact FL SWITCH

Cross-site Scripting Vulnerability in Phoenix Contact FL SWITCH SMCS series products

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.4epss 0.6%
In Phoenix Contact FL SWITCH SMCS series products in multiple versions an attacker may insert malicious code via LLDP frames into the web-based management which could then be executed by the client.
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N
Affected products
Phoenix Contact · FL NATPhoenix Contact · FL SWITCH
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In the same product, most dangerous first.

CVE-2021-21003MEDIUMDenial of Service Vulnerability in Phoenix Contact FL SWITCH SMCS series productsEPSS 0.9%CVE-2021-21005HIGHRace Condition Vulnerability in Phoenix Contact FL SWITCH SMCS series productsEPSS 0.7%