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CVE-2020-1999

PAN-OS: Threat signatures are evaded by specifically crafted packets

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 8.1.17, 9.0.11, 9.1.5
None on Exploit-DB, Metasploit or GitHub

Summary

A vulnerability exists in the Palo Alto Network PAN-OS signature-based threat detection engine that allows an attacker to communicate with devices in the network in a way that is not analyzed for threats by sending data through specifically crafted TCP packets. This technique evades signature-based threat detection. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.17; PAN-OS 9.0 versions earlier than 9.0.11; PAN-OS 9.1 versions earlier than 9.1.5; All versions of PAN-OS 7.1 and PAN-OS 8.0.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Palo Alto Networks PAN-OS

    From 8.1 · fixed in 8.1.17; From 9.0 · fixed in 9.0.11; From 9.1 · fixed in 9.1.5

References 1

security.paloaltonetworks.com