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Rewterz Threat Advisory – CVE-2021-1236 – Multiple Cisco Products security bypass

Severity

Medium

Analysis Summary

CVE-2021-1236

Multiple Cisco Products could allow a remote attacker to bypass security restrictions, caused by a flaw in the detection algorithm. By sending specially-crafted packets, an attacker could exploit this vulnerability to bypass the configured policies and deliver a malicious payload to the protected network.

Impact

Bypass Security

Affected Vendors

Cisco

Affected Products

Cisco 3000 Series Industrial Security Appliances (ISAs)

Remediation

Refer to vendor advisory for the complete list of affected products and their respective patches.

Cisco Security Advisory cisco-sa-snort-app-bypass-cSBYCATq

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