CVE-2020-27655
CRITICALCVSS 10/10EPSS 1.75%
Last modified
CVE-2020-27655 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Improper access control vulnerability in Synology Router Manager (SRM) before 1.2.4-8081 allows remote attackers to access restricted resources via inbound QuickConnect traffic.. EPSS estimates a 1.75% chance of exploitation in the next 30 days.
Description
Improper access control vulnerability in Synology Router Manager (SRM) before 1.2.4-8081 allows remote attackers to access restricted resources via inbound QuickConnect traffic.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Synology | Router Manager | >= 1.2, < 1.2.4-8081 |
References
- https://www.synology.com/security/advisory/Synology_SA_20_14Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1066Exploit, Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_20_14Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1066Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27655?
Improper access control vulnerability in Synology Router Manager (SRM) before 1.2.4-8081 allows remote attackers to access restricted resources via inbound QuickConnect traffic.
How severe is CVE-2020-27655?
CVE-2020-27655 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 1.75% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27655?
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.
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- 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-2020-27655?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST