Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2016-6415

CVE-2016-6415HIGH

n/a n/a — Cisco IOS, IOS XR, and IOS XE

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  N  N    7.5   .8769   99.8   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Jul 26  Reserved by cisco
  Sep 19  Published (CNA: cisco)
  May 19  Added to CISA KEV, remediation due 2023-06-09

CWE-200 · CNA: cisco · CVSS v3.1 · 4 references · KEV due June 9, 2023

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 26, 2016	Reserved	Reserved by cisco
September 19, 2016	Published	Published (CNA: cisco)
May 19, 2023	KEV ADDED	Added to CISA KEV, remediation due 2023-06-09

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-200

References (4)

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160916-ikev1 [vendor-advisory, x_refsource_CISCO]
http://www.securityfocus.com/bid/93003 [vdb-entry, x_refsource_BID]
http://www.securitytracker.com/id/1036841 [vdb-entry, x_refsource_SECTRACK]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6415 [government-resource]

Authoritative record: CVE-2016-6415 at cve.org

Weaknesses: CWE-200

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2016-6415 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.