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CVE-2016-6367

Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution

7.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 22.6%
  1. Published18 Aug 2016
  2. Added to CISA KEV24 May 2022
  3. Remediation due14 Jun 2022
Actively exploited (CISA KEV)

A vulnerability in the command-line interface (CLI) parser of Cisco ASA software could allow an authenticated, local attacker to create a denial-of-service (DoS) condition or potentially execute code.

Added to KEV: 24 May 2022Federal remediation due: 14 Jun 2022

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 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Cisco Adaptive Security Appliance Software≥ 7.2.0 < 8.4\(3\) · ≥ 8.5 < 9.0\(1\)

Remediation

Fixed in
Cisco Adaptive Security Appliance Software≥ 8.4\(3\)

References

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Frequently asked

Is CVE-2016-6367 being actively exploited?

Yes. CVE-2016-6367 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 24 May 2022.

How severe is CVE-2016-6367?

CVE-2016-6367 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 22.6% probability of exploitation.

Which products are affected by CVE-2016-6367?

Affected products include Cisco Adaptive Security Appliance Software.

How do I fix CVE-2016-6367?

Upgrade affected software to a fixed version, for example Cisco Adaptive Security Appliance Software 8.4\(3\) or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2016-6367 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.