CVE-2020-2043 PAN-OS: Passwords may be logged in clear text when using after-change-detail custom syslog field for config logs

Low 3.3 Published 9 Sep 2020 Updated 16 Sep 2024

Attackers with log access can read clear-text passwords if the after-change-detail syslog field is enabled and sensitive fields repeat in log entries.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-2043?

CVE-2020-2043 is a low-severity vulnerability in Paloaltonetworks Pan-Os, published on 9 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An information exposure through log file vulnerability where sensitive fields are recorded in the configuration log without masking on Palo Alto Networks PAN-OS software when the after-change-detail custom syslog field is enabled for configuration logs and the sensitive field appears multiple times in one log entry. The first instance of the sensitive field is masked but subsequent instances are left in clear text. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.10; PAN-OS 9.1 versions earlier than PAN-OS 9.1.4.

Weakness: CWE-532

Which versions are affected by CVE-2020-2043?

It affects 1 product.

Products include Paloaltonetworks Pan-Os.

How do I fix CVE-2020-2043?

No fix has been published for CVE-2020-2043 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-2043 being exploited?

There is no known exploitation of CVE-2020-2043 in the wild and no public exploit code.

All Paloaltonetworks Pan-Os vulnerabilities

Sources

Also known as GHSA-8743-86pf-fx3j.