What is the CVSS score of CVE-2021-30475?

CVE-2021-30475 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: 2.2%.

Is there a patch available for CVE-2021-30475?

Yes, a patch is available for CVE-2021-30475. Update the affected software to the latest version immediately.

Aomedia CVE-2021-30475

CRITICAL

Classic Buffer Overflow (CWE-120)

2021-06-04 cve@mitre.org

Buffer Overflow Aomedia Fedora

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 04, 2021 - 14:15 nvd

CRITICAL 9.8

DescriptionNVD

aom_dsp/noise_model.c in libaom in AOMedia before 2021-03-24 has a buffer overflow.

AnalysisAI

aom_dsp/noise_model.c in libaom in AOMedia before 2021-03-24 has a buffer overflow. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. aom_dsp/noise_model.c in libaom in AOMedia before 2021-03-24 has a buffer overflow. Affected products include: Aomedia, Fedoraproject Fedora. Version information: before 2021.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.