VDB

CVE-2020-3230

CVE-2020-3230 PUBLISHED CVSS 7.5 HIGH

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations. The vulnerability is due to incorrect handling of crafted IKEv2 SA-Init packets. An attacker could exploit this vulnerability by sending crafted IKEv2 SA-Init packets to the affected device. An exploit could allow the attacker to cause the affected device to reach the maximum incoming negotiation limits and prevent further IKEv2 security associations from being formed.

EPSS 1.96% · 83.9th percentile

Risk Scores

CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.96%
83.9th percentile

Affected Products

VendorProductVersions
ciscoios_xe3.3.0sg, 3.3.0xo, 3.3.1sg
CiscoCisco IOS 15.1(2)Tn/a
ciscoios12.2\(6\)i1, 15.0\(2\)ej1, 15.0\(2\)ek

Exploit Intelligence

Timeline

  • Jun 3, 2020 CVE Published
  • Apr 14, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Sep 18, 2021 EPSS Score
  • Oct 26, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Feb 28, 2022 EPSS Score
  • May 1, 2022 EPSS Score
  • Jul 3, 2022 EPSS Score
  • Nov 6, 2022 EPSS Score
  • Jan 8, 2023 EPSS Score

References

…and 5 more

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