AEGLIX vulnerability intelligence
CVE-2016-6415
HIGH · CVSS 7.5 · Analyzed
Published: 2016-09-19 · Updated: 2026-06-17 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T13:13:12.774503+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
Vulnerability overview
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.
Patch review priority
Known exploitation: prioritize review
- CISA KEV lists real-world exploitation.
FIRST EPSS: 87.69% · percentile 99.8 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 7.5 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-200
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Cisco · IOS, IOS XR, and IOS XE
- Added to catalog
- 2023-05-19
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2023-06-09
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
From (inclusive): 12.2
Through (inclusive): 12.4
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
From (inclusive): 15.0
Through (inclusive): 15.6
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*
Through (inclusive): 3.18s
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
From (inclusive): 4.3.0
Through (inclusive): 4.3.4
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
From (inclusive): 5.0.0
Before (exclusive): 5.3.0
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160916-ikev1
Vendor Advisory
- http://www.securityfocus.com/bid/93003
Third Party Advisory · VDB Entry
- http://www.securitytracker.com/id/1036841
Third Party Advisory · VDB Entry
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160916-ikev1
Vendor Advisory
- http://www.securityfocus.com/bid/93003
Third Party Advisory · VDB Entry
- http://www.securitytracker.com/id/1036841
Third Party Advisory · VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6415
US Government Resource