What is the CVSS score of CVE-2021-25904?

CVE-2021-25904 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2021-25904?

Yes, a public proof-of-concept exploit is available for CVE-2021-25904. Prioritise patching immediately. EPSS: 1.3%.

Is there a patch available for CVE-2021-25904?

Yes, a patch is available for CVE-2021-25904. Update the affected software to the latest version immediately.

Av Data CVE-2021-25904

HIGH

NULL Pointer Dereference (CWE-476)

2021-01-26 cve@mitre.org

Null Pointer Dereference Denial Of Service Av Data

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jan 26, 2021 - 18:16 nvd

HIGH 7.5

Blast Radius

ecosystem impact

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

8 cargo packages depend on av-data (5 direct, 5 indirect)

Ecosystem-wide dependent count for version 0.3.0.

DescriptionNVD

An issue was discovered in the av-data crate before 0.3.0 for Rust. A raw pointer is dereferenced, leading to a read of an arbitrary memory address, sometimes causing a segfault.

AnalysisAI

An issue was discovered in the av-data crate before 0.3.0 for Rust. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. An issue was discovered in the av-data crate before 0.3.0 for Rust. A raw pointer is dereferenced, leading to a read of an arbitrary memory address, sometimes causing a segfault. Affected products include: Av-Data Project Av-Data. Version information: before 0.3.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.