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CVE-2021-3038

MEDIUMCVSS 5.5/10EPSS 0.22%

Last modified

CVE-2021-3038 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect app on Windows systems allows a limited Windows user to send specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.8; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.4.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect app on Windows systems allows a limited Windows user to send specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.8; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.4.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.22%

12.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PaloaltonetworksGlobalprotect>= 5.1.0, < 5.1.8
PaloaltonetworksGlobalprotect>= 5.2.0, < 5.2.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-3038?
A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect app on Windows systems allows a limited Windows user to send specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.8; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.4.
How severe is CVE-2021-3038?
CVE-2021-3038 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3038?
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-2021-3038?

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

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Source: NVD / NIST