SB2018030911 - Security restrictions bypass in Cisco Web Security Appliance
Published: March 9, 2018
Security Bulletin ID
SB2018030911
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-0087)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists in the FTP server due to incorrect FTP user credential validation. A remote attacker can use FTP to connect to the management IP address and log in to the FTP server of the Cisco WSA without having a valid password.
Remediation
Install update from vendor's website.