SARA / Free Tools / CVE / CVE-2018-0158

CVE-2018-0158 — Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability

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 vu

CVSS
EPSS
14.56% (top 5.60%)
CWE
CWE-20
Published
2018-03-28T22:00:00.000Z
Last modified
2026-01-12T21:54:43.737Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2022-03-03
BOD 22-01 due
2022-03-17
Ransomware use
Unknown

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
na / Cisco IOS and IOS XECisco IOS and IOS XE

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-03. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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