Globalprotect
CVE-2021-3057
HIGH
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (paloaltonetworks) · only source for this CVE.
CVSS VectorVendor: paloaltonetworks
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
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. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-121. 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. Affected products include: Paloaltonetworks Globalprotect.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Globalprotect
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An incorrect privilege assignment vulnerability when writing application-specific files in the Palo Alto Networks Global
A vulnerability with a privilege management mechanism in the Palo Alto Networks GlobalProtect™ app on Windows devices al
A Local Privilege Escalation vulnerability exists in GlobalProtect Agent for Linux and Mac OS X version 5.0.4 and earlie
A privilege escalation (PE) vulnerability in the Palo Alto Networks GlobalProtect app on Windows devices enables a local
A race condition vulnerability Palo Alto Networks GlobalProtect app on Windows allows a local limited Windows user to ex
An information exposure vulnerability exists in Palo Alto Networks PAN-OS software that enables a GlobalProtect end user
Palo Alto Networks GlobalProtect Agent before 4.0.3 allows attackers with administration rights on the local station to
An unquoted search path vulnerability in the Windows release of Global Protect Agent allows an authenticated local user
Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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