SB2021081223 - Weak Cryptography in Palo Alto Networks PAN-OS
Published: August 12, 2021
Security Bulletin ID
SB2021081223
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2021-3047)
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 update from vendor's website.