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CVE Tracker

CVE-2018-0158

Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability

IN CISA KEV

A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.

Vendor
Cisco
Product
IOS Software and Cisco IOS XE Software
CVSS
No score recorded (no NVD record loaded for this entry)
Published
Not recorded
NVD modified
Not recorded

CISA KEV

Date added
2022-03-03
Due date
2022-03-17
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.

EPSS

7.19% chance of exploitation in the next 30 days (percentile 94th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.