What is the CVSS score of CVE-2022-29800?

CVE-2022-29800 has a CVSS 3.1 base score of 4.7 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 6.7%.

Is there a public PoC exploit available for CVE-2022-29800?

Yes, a public proof-of-concept exploit is available for CVE-2022-29800. Prioritise patching immediately. EPSS: 6.7%.

Windows Defender For Endpoint CVE-2022-29800

MEDIUM

Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)

2022-09-21 patrick@puiterwijk.org

Information Disclosure Windows Defender For Endpoint

4.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Sep 21, 2022 - 19:15 nvd

MEDIUM 4.7

DescriptionNVD

A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not.

AnalysisAI

A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. Rated medium severity (CVSS 4.7). Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-367. A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not. Affected products include: Microsoft Windows Defender For Endpoint.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.