High severity7.5CISA KEVNVD Advisory· Published Sep 19, 2016· Updated Apr 22, 2026

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.

Affected products

Cisco Systems, Inc./iOS
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
Range: >=12.2,<=12.4
Cisco Systems, Inc./Ios Xe
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*
Range: <=3.18s
Cisco Systems, Inc./Ios Xr
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Range: >=4.3.0,<=4.3.4

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160916-ikev1nvdVendor Advisory
www.securityfocus.com/bid/93003nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1036841nvdThird Party AdvisoryVDB Entry
www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.075
exploit	0.030
kev	0.120
patch	0.000
ransomware	0.000