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High severity · published Oct 13, 2021
CVE-2021-3057
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…
8.1
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
PAN-OS · Palo Alto Networks
5.0 through 5.0.8; 5.0 through 5.0.9; 5.0 through 5.0.10; 5.1 through 5.1.1; 5.1 through 5.1.1; 5.1 before 5.1.9; +7 more · source: NVD
Affected product
PA
PAN-OS
Palo Alto Networks
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3057
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3057
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3057
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