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CVE-2021-1236mediumCWE-670

Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability

13Vexday Risk Score

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

ssvc Trackcvss 4epss 2.1%
exploitation probability
2.1%top 20% of all CVEs
observed exploitation
nono source reports it
Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N