What is the CVSS score of CVE-2022-1537?

CVE-2022-1537 has a CVSS 3.1 base score of 7.0 (High). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2022-1537?

Yes, a public proof-of-concept exploit is available for CVE-2022-1537. Prioritise patching immediately. EPSS: 0.3%.

Is there a patch available for CVE-2022-1537?

Yes, a patch is available for CVE-2022-1537. Update the affected software to the latest version immediately.

Grunt CVE-2022-1537

HIGH

Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)

2022-05-10 security@huntr.dev

Privilege Escalation Grunt

7.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.0 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 10, 2022 - 14:15 nvd

HIGH 7.0

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

11 npm packages depend on grunt (9 direct, 2 indirect)

Ecosystem-wide dependent count for version 1.5.3.

DescriptionNVD

file.copy operations in GruntJS are vulnerable to a TOCTOU race condition leading to arbitrary file write in GitHub repository gruntjs/grunt prior to 1.5.3. This vulnerability is capable of arbitrary file writes which can lead to local privilege escalation to the GruntJS user if a lower-privileged user has write access to both source and destination directories as the lower-privileged user can create a symlink to the GruntJS user's .bashrc file or replace /etc/shadow file if the GruntJS user is root.

AnalysisAI

file.copy operations in GruntJS are vulnerable to a TOCTOU race condition leading to arbitrary file write in GitHub repository gruntjs/grunt prior to 1.5.3. Rated high severity (CVSS 7.0). Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-367. file.copy operations in GruntJS are vulnerable to a TOCTOU race condition leading to arbitrary file write in GitHub repository gruntjs/grunt prior to 1.5.3. This vulnerability is capable of arbitrary file writes which can lead to local privilege escalation to the GruntJS user if a lower-privileged user has write access to both source and destination directories as the lower-privileged user can create a symlink to the GruntJS user's .bashrc file or replace /etc/shadow file if the GruntJS user is root. Affected products include: Gruntjs Grunt. Version information: prior to 1.5.3..

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.