8.6
High
Exploited
CVE-2018-0158 Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-20
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS and IOS XE | Versions not published |
References
- 103566 www.securityfocus.com
- ics-cert.us-cert.gov ics-cert.us-cert.gov
- ics-cert.us-cert.gov ics-cert.us-cert.gov
- tools.cisco.com tools.cisco.com
- 1040595 www.securitytracker.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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