CVE-2016-6415
Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability
Cisco IOS, IOS XR, and IOS XEOperating systems
CVSS
7.5HighExploit odds (EPSS)87.7%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
- 19 Sep 2016, 01:00 UTCPublishedCVE List
- 29 Sep 2016Exploit code publicMetasploit
- 19 May 2023Added to CISA KEVCISA KEV
Public exploit code and templates 2
- Auxiliary moduleCisco IKE Information Disclosure 29 Sep 2016Metasploit
- Remote exploitCisco IOS 12.2 < 12.4 / 15.0 < 15.6 - Security Association Negotiation Request Device Memory 17 Mar 2017Exploit-DB
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
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.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List