// For flags

CVE-2021-3040

Bridgecrew Checkov: Unsafe deserialization of Terraform files allows code execution

Severity Score

7.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Una vulnerabilidad de deserialización insegura en Bridgecrew Checkov de Prisma Cloud permite la ejecución de código arbitrario al procesar un archivo terraform malicioso. Este problema afecta a las versiones de Checkov 2.0 anteriores a Checkov 2.0.139. Las versiones de Checkov 1.0 no se ven afectadas

*Credits: Palo Alto Networks thanks Bryan Eastes for discovering and reporting this issue.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-06 CVE Reserved
  • 2021-06-10 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-502: Deserialization of Untrusted Data
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://security.paloaltonetworks.com/CVE-2021-3040 2021-06-21
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Paloaltonetworks
Search vendor "Paloaltonetworks"
 Bridgecrew Checkov
Search vendor "Paloaltonetworks" for product "Bridgecrew Checkov"
 >= 2.0.0 < 2.0.139
Search vendor "Paloaltonetworks" for product "Bridgecrew Checkov" and version " >= 2.0.0 < 2.0.139"
-
Affected