CVE-2016-6415
Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability
IN CISA KEV
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.
- Vendor
- Cisco
- Product
- IOS, IOS XR, and IOS XE
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-200
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2023-05-19
- Due date
- 2023-06-09
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
87.7% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.