Vulnerability Monitor

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CVE-2018-0428

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 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 attacker to escape the CLI subshell and execute system-level commands on the underlying operating system as root. Cisco Bug IDs: CSCvj93548.

Published

2018-08-15T20:29:01.360

Last Modified

2024-11-21T03:38:12.540

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-284
  • Type: Primary
    CWE-269
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Hardware cisco web_security_appliance 11.0.0-fcs-250 Yes
Hardware cisco web_security_appliance 11.5.0-fcs-000 Yes
Hardware cisco web_security_appliance wsa10.0.0-959 Yes
Hardware cisco web_security_appliance wsa10.5.0-fcs-000 Yes
References