CVE-2020-27653
HIGHCVSS 8.3/10EPSS 0.82%
Last modified
CVE-2020-27653 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.
Description
Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Synology | Router Manager | >= 1.2, < 1.2.4-8081 |
| Synology | Diskstation Manager | 6.2.3_25426 |
References
- https://www.synology.com/security/advisory/Synology_SA_20_14Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061Exploit, Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_20_14Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27653?
Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.
How severe is CVE-2020-27653?
CVE-2020-27653 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27653?
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-2020-27653?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST