CVE-2018-0154

HighActively exploited (CISA KEV)

Description

A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient handling of VPN traffic by the affected device. An attacker could exploit this vulnerability by sending crafted VPN traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to hang or crash, resulting in a DoS condition. Cisco Bug IDs: CSCvd39267.

SeverityHigh
CVSS7.5
Exploit probability—
ProductCisco IOS Software
PublishedMar 28, 2018
First seenMar 28, 2018
Added to KEVMar 3, 2022
Weakness typeCWE-399CWE-399

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Mar 17, 2022

Affected products

ProductAffected versionsFixed in
cisco iosNo range specified—

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