Home/CVE/A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the
CVE

CVE-2021-3057

A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the

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.

HIGH · CVSS 8.1 EPSS 0.01082
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

9
paloaltonetworks globalprotect>= 5.0 and <= 5.0.8
paloaltonetworks globalprotect>= 5.0 and <= 5.0.9
paloaltonetworks globalprotect>= 5.0 and <= 5.0.10
paloaltonetworks globalprotect>= 5.1 and <= 5.1.1
paloaltonetworks globalprotect>= 5.1 and < 5.1.9
paloaltonetworks globalprotect>= 5.1.0 and <= 5.1.4
paloaltonetworks globalprotect>= 5.2 and < 5.2.8
paloaltonetworks globalprotect>= 5.3 and < 5.3.1
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · psirt@paloaltonetworks.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Oct 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.paloaltonetworks.com/CVE-2021-3057Vendor Advisory
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