Is CVE-2016-6366 actively exploited?

Yes. CVE-2016-6366 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2016-6366 be exploited remotely?

The attack vector of CVE-2016-6366 has not been classified yet.

What is the CVSS score of CVE-2016-6366?

CVE-2016-6366 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2016-6366

HIGHCISA KEVIN THE WILD

CVE-2016-6366

Published: May 24, 2022

EPSS:91.45%probability of exploitation in 30 daysPercentile:99.7th

Official Description

A buffer overflow vulnerability in the Simple Network Management Protocol (SNMP) code of Cisco ASA software could allow an attacker to cause a reload of the affected system or to remotely execute code.

NVD Source

CISA KEV Advisory

Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Vulnerability

Added to KEV: 2022-05-24Federal patch deadline: 2022-06-14

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This buffer overflow vulnerability in the SNMP code of Cisco ASA software could allow an attacker to cause a system reload or remotely execute code. It is a high-severity flaw with a very high EPSS score of 0.91449, indicating a high likelihood of exploitation, and is confirmed to be actively exploited.

Active exploitation of this vulnerability has been observed in the wild. It is remotely exploitable and can lead to system compromise or denial of service.

Recommended Action

Administrators should apply the latest security updates for Cisco ASA software to address this buffer overflow vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2016-6366 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2016-6366 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.