What is the CVSS score of CVE-2021-27203?

CVE-2021-27203 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2021-27203?

Yes, a public proof-of-concept exploit is available for CVE-2021-27203. Prioritise patching immediately. EPSS: 0.4%.

Private Disk CVE-2021-27203

MEDIUM

NULL Pointer Dereference (CWE-476)

2021-02-16 cve@mitre.org

Null Pointer Dereference Denial Of Service Private Disk

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Feb 16, 2021 - 20:15 nvd

MEDIUM 5.5

DescriptionNVD

In Dekart Private Disk 2.15, invalid use of the Type3 user buffer for IOCTL codes using METHOD_NEITHER results in arbitrary memory dereferencing.

AnalysisAI

In Dekart Private Disk 2.15, invalid use of the Type3 user buffer for IOCTL codes using METHOD_NEITHER results in arbitrary memory dereferencing. Rated medium severity (CVSS 5.5), this vulnerability is 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. In Dekart Private Disk 2.15, invalid use of the Type3 user buffer for IOCTL codes using METHOD_NEITHER results in arbitrary memory dereferencing. Affected products include: Dekart Private Disk.

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.