CVE-2016-6393

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.8% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-10-05 20:00Z9 YR AGO

Last updated

2024-08-06 01:29Z2 YR AGO

Reserved

2016-07-26

Assigning CNA

cisco

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-399

Data version

5.1

Document digest

8ce82375ae73923b373d13f6fb2948123e9df74003a302d44e39c26897c35399

• www.securityfocus.com93196http://www.securityfocus.com/bid/93196vdb-entryx_refsource_BID
• www.securitytracker.com1036914http://www.securitytracker.com/id/1036914vdb-entryx_refsource_SECTRACK
• tools.cisco.com20160928 Cisco IOS and IOS XE Software AAA Login Denial of Service Vulnerabilityhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaadosvendor-advisoryx_refsource_CISCO
• ics-cert.us-cert.govhttps://ics-cert.us-cert.gov/advisories/ICSA-16-287-04x_refsource_MISC