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CVE-2020-2018

CRITICALCVSS 9/10EPSS 1.32%

Last modified

CVE-2020-2018 is a critical-severity vulnerability rated 9/10 on the CVSS scale. An authentication bypass vulnerability in the Panorama context switching feature allows an attacker with network access to a Panorama's management interface to gain privileged access to managed firewalls. An attacker requires some knowledge of managed firewalls to exploit this issue. EPSS estimates a 1.32% chance of exploitation in the next 30 days.

Description

An authentication bypass vulnerability in the Panorama context switching feature allows an attacker with network access to a Panorama's management interface to gain privileged access to managed firewalls. An attacker requires some knowledge of managed firewalls to exploit this issue. This issue does not affect Panorama configured with custom certificates authentication for communication between Panorama and managed devices. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.12; PAN-OS 9.0 versions earlier than 9.0.6; All versions of PAN-OS 8.0.

Metrics

CVSS 3.1
9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
1.32%

67.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PaloaltonetworksPan-Os>= 7.1.0, < 7.1.26
PaloaltonetworksPan-Os>= 8.0.0, <= 8.0.20
PaloaltonetworksPan-Os>= 8.1.0, < 8.1.12
PaloaltonetworksPan-Os>= 9.0.0, < 9.0.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-2018?
An authentication bypass vulnerability in the Panorama context switching feature allows an attacker with network access to a Panorama's management interface to gain privileged access to managed firewalls. An attacker requires some knowledge of managed firewalls to exploit this issue. This issue does not affect Panorama configured with custom certificates authentication for communication between Panorama and managed devices. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.12; PAN-OS 9.0 versions earlier than 9.0.6; All versions of PAN-OS 8.0.
How severe is CVE-2020-2018?
CVE-2020-2018 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.
How do I fix CVE-2020-2018?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-2018?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST