CVE-2021-3040

Name: CVE-2021-3040
Creator: NVD / NIST
Published: 2021-06-10T13:15:08.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.29%

Last modified Jun 17, 2026

CVE-2021-3040 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. An unsafe deserialization vulnerability in Bridgecrew Checkov by Prisma Cloud allows arbitrary code execution when processing a malicious terraform file. This issue impacts Checkov 2.0 versions earlier than Checkov 2.0.139. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

An unsafe deserialization vulnerability in Bridgecrew Checkov by Prisma Cloud allows arbitrary code execution when processing a malicious terraform file. This issue impacts Checkov 2.0 versions earlier than Checkov 2.0.139. Checkov 1.0 versions are not impacted.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

1.29%

66.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Paloaltonetworks	Bridgecrew Checkov	>= 2.0.0, < 2.0.139

References

https://security.paloaltonetworks.com/CVE-2021-3040Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3040Vendor Advisory

Timeline

Published: Jun 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3040?

How severe is CVE-2021-3040?

CVE-2021-3040 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3040?

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-2021-3040?

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

Scan your code now

Source: NVD / NIST