CVE-2021-3057
HIGHPalo Alto Networks GlobalProtect <5.1.9-5.2.8 - Buffer Overflow
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://security.paloaltonetworks.com/CVE-2021-3057
Scores
CVSS v3
8.1
EPSS
0.0108
EPSS Percentile
78.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-121
CWE-787
Status
published
Products (5)
paloaltonetworks/globalprotect
5.0
paloaltonetworks/globalprotect
5.0 - 5.0.10
paloaltonetworks/globalprotect
5.0 - 5.0.8
paloaltonetworks/globalprotect
5.0 - 5.0.9
paloaltonetworks/globalprotect
5.1 - 5.1.1
Published
Oct 13, 2021
Tracked Since
Feb 18, 2026