What is the CVSS score of CVE-2021-28130?

CVE-2021-28130 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2021-28130?

Yes, a public proof-of-concept exploit is available for CVE-2021-28130. Prioritise patching immediately. EPSS: 0.4%.

Security Space CVE-2021-28130

HIGH

Uncontrolled Search Path Element (CWE-427)

2021-09-24 cve@mitre.org

Microsoft Authentication Bypass Security Space

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 24, 2021 - 16:15 nvd

HIGH 7.8

DescriptionNVD

Dr.Web Firewall 12.5.2.4160 on Windows incorrectly restricts applications signed by Dr.Web. A DLL for a custom payload within a legitimate binary (e.g., frwl_svc.exe) bypasses firewall filters.

AnalysisAI

Dr.Web Firewall 12.5.2.4160 on Windows incorrectly restricts applications signed by Dr.Web. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-427. Dr.Web Firewall 12.5.2.4160 on Windows incorrectly restricts applications signed by Dr.Web. A DLL for a custom payload within a legitimate binary (e.g., frwl_svc.exe) bypasses firewall filters. Affected products include: Drweb Security Space.

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.