What is the CVSS score of CVE-2021-30474?

CVE-2021-30474 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: 1.9%.

Is there a patch available for CVE-2021-30474?

Yes, a patch is available for CVE-2021-30474. Update the affected software to the latest version immediately.

Aomedia CVE-2021-30474

CRITICAL

Use After Free (CWE-416)

2021-06-02 cve@mitre.org

Use After Free Memory Corruption Information Disclosure Aomedia

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

Jun 02, 2021 - 17:15 nvd

CRITICAL 9.8

DescriptionNVD

aom_dsp/grain_table.c in libaom in AOMedia before 2021-03-30 has a use-after-free.

AnalysisAI

aom_dsp/grain_table.c in libaom in AOMedia before 2021-03-30 has a use-after-free. 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. aom_dsp/grain_table.c in libaom in AOMedia before 2021-03-30 has a use-after-free. Affected products include: Aomedia. Version information: before 2021.

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.