What is the CVSS score of CVE-2021-25903?

CVE-2021-25903 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: 1.4%.

Is there a public PoC exploit available for CVE-2021-25903?

Yes, a public proof-of-concept exploit is available for CVE-2021-25903. Prioritise patching immediately. EPSS: 1.4%.

Cache CVE-2021-25903

HIGH

NULL Pointer Dereference (CWE-476)

2021-01-26 cve@mitre.org

Null Pointer Dereference Denial Of Service Cache

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

DescriptionNVD

An issue was discovered in the cache crate through 2021-01-01 for Rust. A raw pointer is dereferenced.

AnalysisAI

An issue was discovered in the cache crate through 2021-01-01 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 cache crate through 2021-01-01 for Rust. A raw pointer is dereferenced. Affected products include: Cache Project Cache. Version information: through 2021.

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.