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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2016-6367

Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution Vulnerability

KEVEXPLOITHIGH 7.8EPSS 22.6%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Cisco Adaptive Security Appliance (ASA) Software before 8.4(1) on ASA 5500, ASA 5500-X, PIX, and FWSM devices allows local users to gain privileges via invalid CLI commands, aka Bug ID CSCtu74257 or EPICBANANA.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
22.58% probability · 98th percentile
Public exploits
1 in Exploit-DB · first 19 August 2016
CISA KEV
Listed 24 May 2022 · due 14 June 2022
Weakness
CWE-77
Affected
cisco/adaptive security appliance software
Source
psirt@cisco.com
EPSS trend
0%13%25%26 October 2026: 22.58%26 October 202626 October 2026

EPSS 22.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-6367

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-40271source ↗Cisco ASA / PIX - 'EPICBANANA' Local Privilege Escalationhardware · Shadow Brokerslocal19 August 2016no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.