Critical severity · published Sep 9, 2020
CVE-2020-2040
A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a…
9.8
CVSS
3.9%
EPSS
No
On KEV
Description
A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% 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
8.0.0 through 8.0.20; 8.1.0 before 8.1.15; 9.0.0 before 9.0.9; 9.1.0 before 9.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-2040
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-2040
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2020-2040
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