CVE-2021-3040 json
Bridgecrew Checkov: Unsafe deserialization of Terraform files allows code execution
published 2021-06-10 5 y ago modified 2026-09-08 2 mo ago also BIT-checkov-2021-3040 , EUVD-2021-26392
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitnami checkov 2.0.139
- Palo Alto Networks Bridgecrew Checkov 1.0 all, 2.0.139
Exploit prediction
1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| OSV | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | checkov | >=2.0.0, <2.0.139 |
2.0.139 |
Affected products
- Palo Alto Networks Bridgecrew Checkov
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
security.paloaltonetworks.com
/CVE-2021-3040
vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-3040
web
Sources
- CVE List CVE-2021-3040
- NVD CVE-2021-3040
- OSV BIT-checkov-2021-3040
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.