SB2021111107 - Denial of service in PAN-OS GlobalProtect Portal and Gateway interfaces
Published: November 11, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2021-3063)
CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to improper handling of exceptional conditions in GlobalProtect portal and gateway interfaces. A remote non-authenticated attacker can send specifically crafted traffic to a GlobalProtect interface that causes the service to stop responding.
Successful exploitation of the vulnerability may result in a denial of service (DoS) attack.
Remediation
Install update from vendor's website.