VDB

CVE-2021-1236

CVE-2021-1236 PUBLISHED

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.

EPSS 0.27% · 50.9th percentile

Risk Scores

EPSS Score
0.27%
50.9th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSsnort0, 2.9.7.0-5build1
Ubuntu:18.04:LTSsnort2.9.7.0-5, 2.9.7.0-5build1, 0
Ubuntu:14.04:LTSsnort2.9.2.2-3, 2.9.5.3-3, 2.9.6.0-0ubuntu1
Ubuntu:16.04:LTSsnort0, 2.9.7.0-5

Timeline

  • Jan 13, 2021 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Oct 26, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Feb 28, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • May 1, 2022 EPSS Score
  • Jul 3, 2022 EPSS Score
  • Sep 4, 2022 EPSS Score
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