Buffer overflow in Cisco Adaptive Security Appliance
CVE-2019-15992
A vulnerability in the implementation of the Lua interpreter integrated in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to execute arbitrary code with root privileges on the underlying Linux operating system of an affected device. The vulnerability is due to insufficient restrictions on the allowed Lua function calls within the context of user-supplied Lua scripts. A successful exploit could allow the attacker to trigger a heap overflow condition and execute arbitrary code with root privileges on the underlying Linux operating system of an affected device.
Vulnerability class: Buffer Overflow
EPSS: 0.041 (90.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-15992?
- CVE-2019-15992 is a high-severity vulnerability in Cisco Adaptive Security Appliance, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2020-09-23.
- How severe is CVE-2019-15992?
- High severity. CVSS v3 base score is 7.2 out of 10.