CVE-2019-1945 Cisco Adaptive Security Appliance Smart Tunnel Vulnerabilities

What is CVE-2019-1945?

CVE-2019-1945 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software, published on 7 Aug 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Multiple vulnerabilities in the smart tunnel functionality of Cisco Adaptive Security Appliance (ASA) could allow an authenticated, local attacker to elevate privileges to the root user or load a malicious library file while the tunnel is being established. For more information about these vulnerabilities, see the Details section of this security advisory.

Weakness: CWE-20

Which versions are affected by CVE-2019-1945?

It affects 1 product.

Products include Cisco Adaptive Security Appliance Software.

How do I fix CVE-2019-1945?

No fix has been published for CVE-2019-1945 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1945 being exploited?

There is no known exploitation of CVE-2019-1945 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-c5qc-f9f4-p3gm.