CVE-2016-6393 json
The AAA service in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.1 through 3.18 and 16.2 allows remote attackers to cause…
published 2016-10-05 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7316
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.6%
- EPSS 4.6% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
The AAA service in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.1 through 3.18 and 16.2 allows remote attackers to cause a denial of service (device reload) via a failed SSH connection attempt that is mishandled during generation of an error-log message, aka Bug ID CSCuy87667.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-16-287-04 updated cvss 8.6
Rockwell Automation Stratix Denial-of-Service and Memory Leak Vulnerabilities
-
Rockwell Automation Allen-Bradley ArmorStratix 5700 Industrial Managed Ethernet Switches <=15.24EA3 Rockwell Automation Allen-Bradley Stratix 5400 Industrial Ethernet Switches <=15.24EA3 Rockwell Automation Allen-Bradley Stratix 5410 Industrial Distribution Switches <=15.24EA3 Rockwell Automation Allen-Bradley Stratix 5700 Industrial Managed Ethernet Switches <=15.24EA3 Rockwell Automation Allen-Bradley Stratix 8000 Modular Managed Ethernet Switches <=15.24EA3affected: mitigation rockwellautomation.custhelp.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
4.60% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
- Technology feeds
References
-
tools.cisco.com
/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaados
vendor-advisory
-
securityfocus.com
/bid/93196
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1036914
vdb-entry, third-party-advisory
-
ics-cert.us-cert.gov
/advisories/ICSA-16-287-04
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2016-6393
- NVD CVE-2016-6393
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.