CVE-2016-6461 XML external entity in Cisco Adaptive Security Appliance (ASA) 9.1(6.10)

What is CVE-2016-6461?

CVE-2016-6461 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software, published on 19 Nov 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the HTTP web-based management interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to inject arbitrary XML commands on the affected system. More Information: CSCva38556. Known Affected Releases: 9.1(6.10). Known Fixed Releases: 100.11(0.75) 100.15(0.137) 100.8(40.129) 96.2(0.95) 97.1(0.55) 97.1(12.7) 97.1(6.30).

Weakness: CWE-20

Which versions are affected by CVE-2016-6461?

It affects 1 product.

Products include Cisco Adaptive Security Appliance Software.

How do I fix CVE-2016-6461?

No fix has been published for CVE-2016-6461 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-6461 being exploited?

There is no known exploitation of CVE-2016-6461 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 Exploited Critical 9.9
• CVE-2016-6366 Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Exploited High 8.8
• CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection Exploited High 8.6
• CVE-2024-20353 Cisco ASA and FTD Denial of Service Exploited High 8.6
• CVE-2016-6367 Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution Exploited High 7.8

All Cisco Adaptive Security Appliance Software vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mr8c-v6w9-mj48.