CVE-2018-0159KEVin critical feed
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Softw…
Published 8 y ago · modified 4 mo ago · JSON
Summary
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.
Known exploited (CISA KEV)
- Added
- 4 y ago
- Due date
- 2022-03-17 (4 y ago)
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Vendor / product
- Cisco / IOS Software and Cisco IOS XE Software
- CISA name
- Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability
CISA SSVC assessment
- Exploitation
- Active — exploited in the wild
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction (EPSS)
6.87% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- n/a Cisco IOS and IOS XE
Classification
- Weakness
- CWE-20 Improper Input Validation
- Technology feeds
- Cisco IOS (RSS, critical only)
References
- securityfocus.com /bid/103562 · vdb-entry, x_refsource_BID, x_transferred
- securitytracker.com /id/1040595 · vdb-entry, x_refsource_SECTRACK, x_transferred
- tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike-dos · x_refsource_CONFIRM, x_transferred
- cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0159 · government-resource
Sources
- CVE List: CVE-2018-0159
- NVD: CVE-2018-0159
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.