CVE-2021-3057

GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway

State: Published
Severity: 8.1 High
Published: Oct 13, 2021
Updated: Sep 17, 2024
Reserved: Jan 6, 2021

Description

A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.9 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on the Universal Windows Platform; GlobalProtect app 5.3 versions earlier than GlobalProtect app 5.3.1 on Linux.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	palo_alto

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
GlobalProtect AppPalo Alto Networks	5.1 to before 5.1.9Affectedfrom 5.1.9Not affected 5.2 to before 5.2.8Affectedfrom 5.2.8Not affected
GlobalProtect AppPalo Alto Networks	5.3 to before 5.3.1Affectedfrom 5.3.1Not affected
GlobalProtect AppPalo Alto Networks	5.2 to before 5.2.8Affectedfrom 5.2.8Not affected

References

https://security.paloaltonetworks.com/CVE-2021-3057

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