7.5
High
Exploited
CVE-2018-0154 Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-399
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS | Versions not published |
References
- 103559 www.securityfocus.com
- tools.cisco.com tools.cisco.com
- 1040585 www.securitytracker.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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