CVE-2021-3040 | BDVDB-2026-155199 Detail

Palo Alto NetworksBridgecrew Checkov

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact low. Attack vector: network.

Weaknesses#

CWE-502 Deserialization of Untrusted Data

References#

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

Exploit#

No public exploit known

History#

Version 12021-06-10Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2021-06-10
Last modified: 2024-09-16

Vendor information

Vendor: Palo Alto Networks
Product: Bridgecrew Checkov

All Palo Alto Networks vulnerabilities

Score

6.7 Medium

EPSS

1.2%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 70.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Deserialization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Not stated
Fixed
1.0 all
Vulnerable
>= 2.0 and < 2.0.139
Fixed
2.0.139
Vulnerable
Not stated
Fixed
2.0.139

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.7 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).