CVE-2016-6366

8.8 HIGH CISA KEV - Actively Exploited
Published: August 18, 2016 Modified: October 22, 2025

Description

Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V, ASAv, Firepower 9300 ASA Security Module, PIX, and FWSM devices allows remote authenticated users to execute arbitrary code via crafted IPv4 SNMP packets, aka Bug ID CSCva92151 or EXTRABACON.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://blogs.cisco.com/security/shadow-brokers
Source: psirt@cisco.com
Exploit Press/Media Coverage Vendor Advisory
http://www.securityfocus.com/bid/92521
Source: psirt@cisco.com
Broken Link Not Applicable Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036637
Source: psirt@cisco.com
Broken Link Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40258/
Source: psirt@cisco.com
Third Party Advisory VDB Entry
https://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.html
Source: psirt@cisco.com
Exploit Technical Description
http://blogs.cisco.com/security/shadow-brokers
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Press/Media Coverage Vendor Advisory
http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-56516
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/92521
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Not Applicable Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036637
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.zip
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Exploit
https://www.exploit-db.com/exploits/40258/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Technical Description

17 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
91.4%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-06-14

Weaknesses (CWE)

Affected Vendors

cisco