CVE-2019-1816 is a vulnerability in Cisco Web Security Appliance
Published on May 3, 2019
Cisco Web Security Appliance Privilege Escalation Vulnerability
A vulnerability in the log subscription subsystem of the Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. The vulnerability is due to insufficient validation of user-supplied input on the web and command-line interface. An attacker could exploit this vulnerability by authenticating to the affected device and injecting scripting commands in the scope of the log subscription subsystem. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2019-1816
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Affected Versions
Cisco Web Security Appliance (WSA):- Version unspecified and below 10.1.4-017 is affected.
- Version unspecified and below 10.5.4-018 is affected.
- Version unspecified and below 11.5.2-020 is affected.
- Version unspecified and below 11.7.0-406 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.