What is the CVSS score of CVE-2021-45701?

CVE-2021-45701 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

Is there a patch available for CVE-2021-45701?

Yes, a patch is available for CVE-2021-45701. Update the affected software to the latest version immediately.

Tremor Script CVE-2021-45701

CRITICAL

Use After Free (CWE-416)

2021-12-27 cve@mitre.org

Use After Free Memory Corruption Information Disclosure Tremor Script

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 27, 2021 - 00:15 nvd

CRITICAL 9.8

Blast Radius

ecosystem impact

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

1 cargo packages depend on tremor-script (1 direct, 0 indirect)

Ecosystem-wide dependent count for version 0.7.2.

DescriptionNVD

An issue was discovered in the tremor-script crate before 0.11.6 for Rust. A patch operation may result in a use-after-free.

AnalysisAI

An issue was discovered in the tremor-script crate before 0.11.6 for Rust. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. An issue was discovered in the tremor-script crate before 0.11.6 for Rust. A patch operation may result in a use-after-free. Affected products include: Linuxfoundation Tremor-Script. Version information: before 0.11.6.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.