All vulnerabilities
CVE-2016-6366

Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Vulnerability

Cisco Adaptive Security Appliance (ASA)Network & edge
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 24 May 2022CISA KEV
Exploit odds (EPSS)87.6%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline14 Jun 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 18 Aug 2016Exploit code publicExploit-DB
  2. 18 Aug 2016, 18:00 UTCPublishedCVE List
  3. 24 May 2022Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Auxiliary moduleCisco ASA Authentication Bypass (EXTRABACON)Metasploit
  • Remote exploitCisco ASA 8.x - 'EXTRABACON' Authentication Bypass 18 Aug 2016Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 5