CVE-2021-3057— GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
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I. Basic Information for CVE-2021-3057
Vulnerability Information
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Vulnerability Title
GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks GlobalProtect 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks GlobalProtect是美国Palo Alto Networks公司的一套网络防护软件。该软件可提供防火墙监控及威胁预防等功能。 Palo Alto Networks GlobalProtect存在安全漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Palo Alto Networks | GlobalProtect App | 5.1 ~ 5.1.9 | - | |
| Palo Alto Networks | GlobalProtect App | 5.3 ~ 5.3.1 | - | |
| Palo Alto Networks | GlobalProtect App | 5.2 ~ 5.2.8 | - |
II. Public POCs for CVE-2021-3057
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://security.paloaltonetworks.com/CVE-2021-3057x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3057
IV. Related Vulnerabilities
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GlobalProtect App: Non Admin User Can Disable the GlobalProt - CVE-2025-0141
GlobalProtect App: Privilege Escalation (PE) Vulnerability - CVE-2025-0140
GlobalProtect App: Non Admin User Can Disable the GlobalProt - CVE-2025-4227
GlobalProtect App: Interception in Endpoint Traffic Policy E
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Same weakness: CWE-121
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V. Comments for CVE-2021-3057
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