CVE-2021-3057
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
GlobalProtect App
- Vendor
- Palo Alto Networks
- Product
- GlobalProtect App
- Platforms
- Windows
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.1 | affected | custom | 5.1.9 | Unavailable |
|
| 5.2 | affected | custom | 5.2.8 | Unavailable |
|
GlobalProtect App
- Vendor
- Palo Alto Networks
- Product
- GlobalProtect App
- Platforms
- Linux
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.3 | affected | custom | 5.3.1 | Unavailable |
|
GlobalProtect App
- Vendor
- Palo Alto Networks
- Product
- GlobalProtect App
- Platforms
- Universal Windows Platform
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.2 | affected | custom | 5.2.8 | Unavailable |
|