What is the CVSS score of CVE-2022-36661?

CVE-2022-36661 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2022-36661?

Yes, a public proof-of-concept exploit is available for CVE-2022-36661. Prioritise patching immediately. EPSS: 0.7%.

Xhyve CVE-2022-36661

MEDIUM

NULL Pointer Dereference (CWE-476)

2022-09-07 cve@mitre.org

Null Pointer Dereference Denial Of Service Xhyve

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Sep 07, 2022 - 17:15 nvd

MEDIUM 6.5

DescriptionNVD

xhyve commit dfbe09b was discovered to contain a NULL pointer dereference via the component vi_pci_read(). This vulnerability allows attackers to cause a Denial of Service via unspecified vectors.

AnalysisAI

xhyve commit dfbe09b was discovered to contain a NULL pointer dereference via the component vi_pci_read(). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, 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. xhyve commit dfbe09b was discovered to contain a NULL pointer dereference via the component vi_pci_read(). This vulnerability allows attackers to cause a Denial of Service via unspecified vectors. Affected products include: Xhyve Project Xhyve.

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.