#VU55822 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Palo Alto PAN-OS - CVE-2021-3047

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Main Vulnerability Database Vulnerabilities #VU55822

#VU55822 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Palo Alto PAN-OS - CVE-2021-3047

Published: August 12, 2021


Vulnerability identifier: #VU55822
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3047
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Palo Alto PAN-OS
Software vendor:
Palo Alto Networks, Inc.

Description

The vulnerability allows a remote user to impersonate sessions of other users.

The vulnerability exists due to usage of a weak pseudo-random number generator (PRNG) in PAN-OS web interface. A remote authenticated user with the capability to observe their own authentication secrets over a long duration on the PAN-OS appliance can impersonate another authenticated web interface administrator's session.


Remediation

Install updates from vendor's website.

External links