Denial of service in Palo Alto PAN-OS

Published: 2020-09-10

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE ID	CVE-2020-2041
CWE ID	CWE-16
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Palo Alto PAN-OS Operating systems & Components / Operating system
Vendor	Palo Alto Networks, Inc.

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Insecure configuration

Risk: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-2041

CWE-ID: CWE-16 - Configuration

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to insecure configuration of the appweb daemon. A remote attacker can send a specifically crafted request to the device and crash the service.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 8.0, 8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.0.3-h4, 8.0.4, 8.0.4-h2, 8.0.5, 8.0.6, 8.0.6-h3, 8.0.7, 8.0.8, 8.0.9, 8.0.10, 8.0.11, 8.0.11-h1, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.19-h1, 8.0.20, 8.0.21, 8.1, 8.1.0, 8.1.1, 8.1.2, 8.1.3, 8.1.4, 8.1.4-h2, 8.1.5, 8.1.6, 8.1.6-h2, 8.1.7, 8.1.8, 8.1.8-h4, 8.1.8-h5, 8.1.9, 8.1.9-h4, 8.1.10, 8.1.11, 8.1.12, 8.1.13, 8.1.14, 8.1.15

CPE

External links

https://security.paloaltonetworks.com/CVE-2020-2041

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.