Usage of cryptographically weak protocol in Palo Alto PAN-OS

Published: 2020-07-09
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1982
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Palo Alto PAN-OS
Operating systems & Components / Operating system

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cryptographic issues

EUVDB-ID: #VU29608

Risk: Low


CVE-ID: CVE-2020-1982

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No


The vulnerability allows a remote attacker to decrypt TLS traffic.

The vulnerability exists due to PAN-OS supports TLS 1.0 protocol that is known to be a cryptographically weak protocol. A remote attacker with ability to conduct a Man-in-the-Middle (MitM) attack can theoretically decrypt communication.


Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 9.1.0 - 9.1.2, 9.0.0 - 9.0.8, 8.1 - 8.1.14, 8.0 - 8.0.21

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?