CVE-2021-3057
Last modified
CVE-2021-3057 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 1.38% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Paloaltonetworks | Globalprotect | >= 5.0, <= 5.0.8 |
| Paloaltonetworks | Globalprotect | >= 5.0, <= 5.0.9 |
| Paloaltonetworks | Globalprotect | >= 5.0, <= 5.0.10 |
| Paloaltonetworks | Globalprotect | >= 5.1, <= 5.1.1 |
| Paloaltonetworks | Globalprotect | >= 5.1, < 5.1.9 |
| Paloaltonetworks | Globalprotect | >= 5.1.0, <= 5.1.4 |
| Paloaltonetworks | Globalprotect | >= 5.2, < 5.2.8 |
| Paloaltonetworks | Globalprotect | >= 5.3, < 5.3.1 |
| Paloaltonetworks | Globalprotect | 5.0 |
References
- https://security.paloaltonetworks.com/CVE-2021-3057Vendor Advisory
- https://security.paloaltonetworks.com/CVE-2021-3057Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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