7.2
CVSSv2

CVE-2018-0428

Published: 15/08/2018 Updated: 09/10/2019
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 6.7 | Impact Score: 5.9 | Exploitability Score: 0.8
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

A vulnerability in the account management subsystem of Cisco Web Security Appliance (WSA) could allow an authenticated, local malicious user to elevate privileges to root. The attacker must authenticate with valid administrator credentials. The vulnerability is due to improper implementation of access controls. An attacker could exploit this vulnerability by authenticating to the device as a specific user to gain the information needed to elevate privileges to root in a separate login shell. A successful exploit could allow the malicious user to escape the CLI subshell and execute system-level commands on the underlying operating system as root. Cisco Bug IDs: CSCvj93548.

Vulnerability Trend

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cisco web security appliance 11.5.0-fcs-000

cisco web security appliance wsa10.5.0-fcs-000

cisco web security appliance 11.0.0-fcs-250

cisco web security appliance wsa10.0.0-959

Vendor Advisories

A vulnerability in the account management subsystem of Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to elevate privileges to root The attacker must authenticate with valid administrator credentials The vulnerability is due to improper implementation of access controls An attacker could exploit this vulnerabilit ...