CVE-2016-6431

HIGH

Cisco Adaptive Security Appliance Software - Denial of Service via Local CA Enrollment Request

Title source: llm
STIX 2.1

Description

A vulnerability in the local Certificate Authority (CA) feature of Cisco ASA Software before 9.6(1.5) could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper handling of crafted packets during the enrollment operation. An attacker could exploit this vulnerability by sending a crafted enrollment request to the affected system. An exploit could allow the attacker to cause the reload of the affected system. Note: Only HTTPS packets directed to the Cisco ASA interface, where the local CA is allowing user enrollment, can be used to trigger this vulnerability. This vulnerability affects systems configured in routed firewall mode and in single or multiple context mode.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/93786
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037060

Scores

CVSS v3 7.5
EPSS 0.0254
EPSS Percentile 83.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (50)
cisco/adaptive_security_appliance_software 8.0.2.11
cisco/adaptive_security_appliance_software 8.0.2.15
cisco/adaptive_security_appliance_software 8.0.3
cisco/adaptive_security_appliance_software 8.0.3.6
cisco/adaptive_security_appliance_software 8.0.3.12
cisco/adaptive_security_appliance_software 8.0.3.19
cisco/adaptive_security_appliance_software 8.0.4
cisco/adaptive_security_appliance_software 8.0.4.3
cisco/adaptive_security_appliance_software 8.0.4.9
cisco/adaptive_security_appliance_software 8.0.4.16
... and 40 more
Published Oct 27, 2016
Tracked Since Feb 18, 2026