CVE-2015-6423 Security feature bypass in n/a
Remote authenticated users can bypass DCERPC-only ACLs on Cisco ASA devices by sending arbitrary network traffic.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-6423?
CVE-2015-6423 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software, published on 15 Jan 2016. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The DCERPC Inspection implementation in Cisco Adaptive Security Appliance (ASA) Software 9.4.1 through 9.5.1 allows remote authenticated users to bypass an intended DCERPC-only ACL by sending arbitrary network traffic, aka Bug ID CSCuu67782.
Weakness: CWE-264
Which versions are affected by CVE-2015-6423?
It affects 1 product.
Products include Cisco Adaptive Security Appliance Software.
How do I fix CVE-2015-6423?
No fix has been published for CVE-2015-6423 yet. Limit exposure of the affected software until one is available.
Is CVE-2015-6423 being exploited?
There is no known exploitation of CVE-2015-6423 in the wild and no public exploit code.
Other vulnerabilities in Cisco Adaptive Security Appliance Software
- CVE-2025-20333 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow
- CVE-2016-6366 Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow
- CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection
- CVE-2024-20353 Cisco ASA and FTD Denial of Service
- CVE-2016-6367 Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution
All Cisco Adaptive Security Appliance Software vulnerabilities
Sources
Also known as GHSA-6r8j-2g36-v475.