Vulnerability identifier: #VU29608

Vulnerability risk: Low

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-1982

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Palo Alto PAN-OS
Operating systems & Components / Operating system

Vendor: Palo Alto Networks, Inc.

Description

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.

Mitigation
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

---

External links
http://security.paloaltonetworks.com/CVE-2020-1982

---

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. However, proof of concept for this vulnerability is available.