Is CVE-2016-6415 actively exploited?

CVE-2016-6415 has no public evidence of in-the-wild exploitation as of 2026-01-12.

What is the CVSS score for CVE-2016-6415?

CVE-2016-6415 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2016-6415?

Patch guidance is available from cisco security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-6415.

Fix CVE-2016-6415 - HIGH cisco ios

Q: Which products are affected by CVE-2016-6415?

5 products: cisco ios, cisco ios, cisco ios xe, cisco ios xr, cisco ios xr.

Description

The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5.2.x, and PIX before 7.0 allows remote attackers to obtain sensitive information from device memory via a Security Association (SA) negotiation request, aka Bug IDs CSCvb29204 and CSCvb36055 or BENIGNCERTAIN.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-200 · Information Disclosure CWE-200 · Information Disclosure

Metadata

Primary Vendor: CISCO
Published: 9/19/2016
Last Modified: 1/12/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2016-6415

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary