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CVE-2016-6366

8.8
HIGHCVSS v3.1 Base Score
90.78%
HIGH RiskEPSS (100th percentile)
KEV

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.

Published: 8/18/2016
Modified: 4/22/2026
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Vulnerability

Vendor / Product:

Cisco Adaptive Security Appliance (ASA)

Required Action:

Apply updates per vendor instructions.

Due Date: 6/14/2022(OVERDUE)
Added to KEV:

5/24/2022

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2016-6366

Vulnerability Summary

CVSS v3 Score

8.8HIGH

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

CVSS v2 Score

8.5

AV:N/AC:M/Au:S/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

90.78%HIGH Exploitation Risk
100th percentile

This vulnerability has a 90.78% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

CWE Classification

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