How severe is CVE-2016-6367?

CVE-2016-6367 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2016-6367?

Affected package information for CVE-2016-6367 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2016-6367?

No fixed version has been published for CVE-2016-6367 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2016-6367 actively exploited in the wild?

Yes. There are 5 known exploit references for CVE-2016-6367, including 1 documented proof-of-concept exploit on Exploit-DB and 4 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2016-6367?

CVE-2016-6367 has an EPSS (Exploit Prediction Scoring System) score of 18.8%, placing it in the 95th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score warrants monitoring and prompt remediation.

Is CVE-2016-6367 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2016-6367 (Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-05-24. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-06-14. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2016-6367?

CVE-2016-6367 is classified as CWE-77 (CWE-77). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2016-6367?

CVE-2016-6367 affects cisco adaptive security appliance software. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2016-6367 published, and has it been updated?

CVE-2016-6367 was published on August 18, 2016 and was last updated on April 22, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-05-24 — agencies required to remediate by 2022-06-14

CVE-2016-6367

HIGH

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…

Published

Aug 18, 2016

Updated

Apr 22, 2026

Affected

0 pkgs

Patched

None yet

Exploits

5 known

EPSS Exploitation Probability

via FIRST.org ↗

18.8%probability of exploitation in next 30 days

Moderate Risk95th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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.

Affected Products

1 product · 2 configurations

adaptive security appliance softwarecisco

≥ 8.5 && < 9.0\(1\)

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-40271localhardware

Cisco ASA / PIX - 'EPICBANANA' Local Privilege Escalation

by Shadow Brokers · Aug 19, 2016

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2016-6367 in your stack?

O3 detects CVE-2016-6367 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

7.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Local

AC:Attack Complexity

Low

PR:Privileges Required

Low

UI:User Interaction

None

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

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

CWE Classification

CWE-77CWE-77

Weaponization

No known public exploit tooling found.

Timeline

Disclosed

Aug 18, 2016

First exploit

Aug 19, 2016

Same day as disclosure — rapid exploitation

KEV added

May 24, 2022

Last updated

Apr 22, 2026

Identifiers

CVE-2016-6367

References

Advisorytools.cisco.com Advisorytools.cisco.com Advisorysecurityfocus.com Advisorysecuritytracker.com Advisoryexploit-db.com Advisorytools.cisco.com Advisorytools.cisco.com Advisorysecurityfocus.com Advisorysecuritytracker.com Advisoryexploit-db.com Exploit / PoCblogs.cisco.com Exploit / PoCgithub.com Exploit / PoCblogs.cisco.com Exploit / PoCgithub.com Webcisa.gov

Data from OSV.dev, enriched by O3 Security. Refreshed hourly.