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CVE-2018-0158

CWE-20

Critical

94.0

RPS

Description

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device to be processed. A successful exploit could cause an affected device to continuously consume memory and eventually reload, resulting in a DoS condition. Cisco Bug IDs: CSCvf22394.

Source: NVD

Signals

CVSS
8.6
High · v3.1
EPSS
7.19%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Mar 2022
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-20
CWE-20, CWE-401
Published
28 Mar 2018
Last modified 14 Jan 2026

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2018-0158 · RPS 94.0 · DevSecure Intelligence