What’s Vulnerable › Vulnerabilities

CVE-2021-3040: Bridgecrew Checkov: Unsafe deserialization of Terraform files allows code execution

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-10 · updated 2026-06-17
• Weakness: CWE-502

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.

Affected products

• Palo Alto Networks Bridgecrew Checkov: from 2.0.0 before 2.0.139 — fixed in 2.0.139
• Palo Alto Networks Bridgecrew Checkov: from 2.0 before 2.0.139 — fixed in 2.0.139

How to fix

Upgrade to a fixed version: Palo Alto Networks Bridgecrew Checkov 2.0.139; Palo Alto Networks Bridgecrew Checkov 2.0.139. Check the vendor advisory for mitigations.

References

• https://security.paloaltonetworks.com/CVE-2021-3040
• https://security.paloaltonetworks.com/CVE-2021-3040

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