CVE-2021-3047

Summary

A cryptographically weak pseudo-random number generator (PRNG) is used during authentication to the Palo Alto Networks PAN-OS web interface. This enables an authenticated attacker, with the capability to observe their own authentication secrets over a long duration on the PAN-OS appliance, to impersonate another authenticated web interface administrator's session. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.4. PAN-OS 10.1 versions are not impacted.

Affected Software

VendorProductVersion RangeStatus
Palo Alto NetworksPAN-OS10.1.*unaffected
Palo Alto NetworksPAN-OS8.1 < 8.1.19affected
Palo Alto NetworksPAN-OS9.0 < 9.0.14affected
Palo Alto NetworksPAN-OS10.0 < 10.0.4affected
Palo Alto NetworksPAN-OS9.1 < 9.1.10affected

Weaknesses

  • CWE-338: CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References