CVE-2018-0159
Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability
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.
HIGH · CVSS 7.5
⚠ CISA KEV
EPSS 0.06968
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- Listed on CISA KEV (known exploited in the wild)
- SSVC exploitation status: active
- EPSS percentile: top 8% of all CVEs by exploitation likelihood
- SSVC automatable: yes - attacks can be scripted at scale
- CVSS base score ≥ 7.0
Sigma rules0
YARA rules0