CVE-2021-28130
HIGHCVSS 7.8/10EPSS 0.36%
Last modified
CVE-2021-28130 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Drweb | Security Space | 12.5.2.4160 |
References
- https://habr.com/ru/company/pm/blog/579328/Exploit, Third Party Advisory
- https://news.drweb.ru/show/?i=14180&lng=ruVendor Advisory
- https://habr.com/ru/company/pm/blog/579328/Exploit, Third Party Advisory
- https://news.drweb.ru/show/?i=14180&lng=ruVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-28130?
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.
How severe is CVE-2021-28130?
CVE-2021-28130 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28130?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-28130?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST