CVE-2020-1999

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.

Affected Software

VendorProductVersion RangeStatus
Palo Alto NetworksPAN-OS7.1.*affected
Palo Alto NetworksPAN-OS8.0.*affected
Palo Alto NetworksPAN-OS10.0.*unaffected
Palo Alto NetworksPAN-OS8.1 < 8.1.17affected
Palo Alto NetworksPAN-OS9.0 < 9.0.11affected
Palo Alto NetworksPAN-OS9.1 < 9.1.5affected

Weaknesses

  • CWE-754: CWE-754 Improper Check for Unusual or Exceptional Conditions

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References