CVE-2021-3064
high-risk
Published 2021-11-10
A memory corruption vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an unauthenticated network-based attacker to disrupt system processes and potentially execute arbitrary code with root privileges. The attacker must have network access to the GlobalProtect interface to exploit this issue. This issue impacts PAN-OS 8.1 versions earlier than PAN-OS 8.1.17. Prisma Access customers are not impacted by this issue.
Do I need to act?
!
47.8% chance of exploitation in next 30 days
EPSS score — higher than 52% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (2)
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3064
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3064
54
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
17/34 · Moderate
Exposure
5/34 · Minimal