CVE-2016-6393 — Cisco IOS vulnerability

CWE-3994 documents4 sources
Severity
7.5HIGHNVD
EPSS
9.1%
top 7.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOSCisco IOS XE
Timeline
PublishedOct 5
Latest updateMay 13

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDcisco/ios12.0 — 12.4+1
▶NVDcisco/ios_xe2.1.0 — 3.18.0+1

🔴Vulnerability Details

2
GHSA
GHSA-p9p2-82qv-h9q7: The AAA service in Cisco IOS 12↗2022-05-13
▶
CVEList
CVE-2016-6393: The AAA service in Cisco IOS 12↗2016-10-05
▶

📋Vendor Advisories

1
Cisco
Cisco IOS and IOS XE Software AAA Login Denial of Service Vulnerability↗2016-09-28
▶
CVE-2016-6393 — Cisco IOS vulnerability | cvebase