What is the CVSS score of CVE-2021-21361?

CVE-2021-21361 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2021-21361?

Yes, a public proof-of-concept exploit is available for CVE-2021-21361. Prioritise patching immediately. EPSS: 1.2%.

Is there a patch available for CVE-2021-21361?

Yes, a patch is available for CVE-2021-21361. Update the affected software to the latest version immediately.

Vagrant CVE-2021-21361

Q: Which versions of Vagrant are affected by CVE-2021-21361?

The `com.bmuschko:gradle-vagrant-plugin` Gradle plugin contains an information disclosure vulnerability due to the logging of the system environment variables.. A patch is available.

MEDIUM

Insertion of Sensitive Information into Log File (CWE-532)

2021-03-09 security-advisories@github.com

Information Disclosure Vagrant

6.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-532 OWASP Top 10:2025 A09:2025 - Security Logging & Alerting Failures ASVS 5.0 V16 - Security Logging and Error Handling Log data sanitization
Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: adjacent network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 1.2% exploitation probability (EPSS)

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AnalysisAI

The com.bmuschko:gradle-vagrant-plugin Gradle plugin contains an information disclosure vulnerability due to the logging of the system environment variables. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

maven com.bmuschko:gradle-vagrant-plugin fix: 3.0.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-532. The com.bmuschko:gradle-vagrant-plugin Gradle plugin contains an information disclosure vulnerability due to the logging of the system environment variables. When this Gradle plugin is executed in public CI/CD, this can lead to sensitive credentials being exposed to malicious actors. This is fixed in version 3.0.0. Affected products include: Vagrant Project Vagrant. Version information: version 3.0.0..

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

The com.bmuschko:gradle-vagrant-plugin Gradle plugin contains an information disclosure vulnerability due to the logging of the system environment variables. When this Gradle plugin is executed in public CI/CD, this can lead to sensitive credentials being exposed to malicious actors. This is fixed in version 3.0.0.

Threat Intelligence Overview

EPSS Score

1.2%

Top 36% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 1.2%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Controlled

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +32

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.