CVE-2018-0159
Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-03. Federal due date: 2022-03-17.
Apply updates per vendor instructions.
Impact
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. The vulnerability is due to improper validation of specific IKEv1 packets. An attacker could exploit this vulnerability by sending crafted IKEv1 packets to an affected device during an IKE negotiation. A successful exploit could allow the attacker to cause an affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuj73916.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Ios | Version 15.3\(3\)s |
| Cisco | Ios Xe | Version 15.3\(3\)s |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://www.securityfocus.com/bid/103562
- http://www.securitytracker.com/id/1040595
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike-dos
- http://www.securityfocus.com/bid/103562
- http://www.securitytracker.com/id/1040595
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike-dos
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0159