What is the CVSS score of CVE-2021-28033?

CVE-2021-28033 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-2021-28033?

Yes, a patch is available for CVE-2021-28033. Update the affected software to the latest version immediately.

Byte Struct CVE-2021-28033

CRITICAL

Use of Uninitialized Resource (CWE-908)

2021-03-05 cve@mitre.org

Deserialization Byte Struct

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

Mar 05, 2021 - 09:15 nvd

CRITICAL 9.8

DescriptionNVD

An issue was discovered in the byte_struct crate before 0.6.1 for Rust. There can be a drop of uninitialized memory if a certain deserialization method panics.

AnalysisAI

An issue was discovered in the byte_struct crate before 0.6.1 for Rust. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.

Technical ContextAI

This vulnerability is classified as Use of Uninitialized Resource (CWE-908), which allows attackers to access uninitialized memory causing crashes or information disclosure. An issue was discovered in the byte_struct crate before 0.6.1 for Rust. There can be a drop of uninitialized memory if a certain deserialization method panics. Affected products include: Byte Struct Project Byte Struct. Version information: before 0.6.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Initialize all variables, use compiler warnings for uninitialized access, use memory-safe languages.