CVE-2016-6415
Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability
Summary
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.
Affected software
Vendor: Cisco · Product: IOS, IOS XR, and IOS XE
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Cisco
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2021-1498 | Cisco HyperFlex HX Data Platform Command Injection Vulnerability | 100.0% | Yes |
| CVE-2020-3452 | Cisco ASA and FTD Read-Only Path Traversal Vulnerability | 100.0% | Yes |
| CVE-2021-1497 | Cisco HyperFlex HX Installer Virtual Machine Command Injection Vulnerability | 99.9% | Yes |
| CVE-2018-0296 | Cisco Adaptive Security Appliance (ASA) Denial-of-Service Vulnerability | 99.9% | Yes |
| CVE-2019-1653 | Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerabilit | 99.9% | Yes |
| CVE-2023-20198 | Cisco IOS XE Web UI Privilege Escalation Vulnerability | 99.6% | Yes |
| CVE-2018-0171 | Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability | 99.5% | Yes |
| CVE-2017-3881 | Cisco IOS and IOS XE Remote Code Execution Vulnerability | 99.0% | Yes |
Is your domain exposed?
Run a free, instant security report for any domain — exposure score, email auth, TLS and breach metadata.
Get your free reportAll information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.