Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure
What to do
Apply updates per vendor instructions.
CISA deadline 2023-06-09 · passed 3 years 3 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Cisco IOS, IOS XR, and IOS XE contain insufficient condition checks in the part of the code that handles Internet Key Exchange version 1 (IKEv1) security negotiation requests. contains an information disclosure vulnerability in the Internet Key Exchange version 1 (IKEv1) that could allow an attacker to retrieve memory contents. Successful exploitation could allow the attacker to retrieve memory contents, which can lead to information disclosure.
Who is affected
Cisco IOS, IOS XR, and IOS XE. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-200.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 3 years 3 months ago
Sources
- NVD entry for CVE-2016-6415 nvd.nist.gov/vuln/detail/CVE-2016-6415
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- sec.cloudapps.cisco.com sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160916-ikev1
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2016-6415