How severe is CVE-2016-6415?

CVE-2016-6415 has a CVSS 3.1 base score of 7.5 (HIGH). EPSS estimates a 87.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2016-6415: Cisco IOS, IOS XR, and IOS XE IKEv1 Information

CISA Known Exploited Vulnerabilities

Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-05-19

Remediation due

2023-06-09

Required action
Apply updates per vendor instructions.

CISA notes
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160916-ikev1; https://nvd.nist.gov/vuln/detail/CVE-2016-6415

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.

Severity

CVSS 3.1 · CISA7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

3 Links

Vendor advisories

20160916 IKEv1 Information Disclosure Vulnerability in Multiple Cisco Products

Vulnerability databases

Record Details

Published

2016-09-19

Last updated

2026-01-12

Assigner (CNA)

cisco

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.