CVE-2020-27655

MEDIUMNVD 6.510.0▲

6.5

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.

CVSS v3: 6.5
EG Score: 10.0(medium)
EPSS: 79.4%
KEV: Not listed

Published

October 29, 2020

Last Modified

November 21, 2024

References (4)

security@synologyhttps://www.synology.com/security/advisory/Synology_SA_20_14
security@synologyhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1066
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/security/advisory/Synology_SA_20_14
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1066

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-269Improper Privilege Management

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2020-27655?

CVE-2020-27655 is a medium vulnerability published on October 29, 2020. 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.

When was CVE-2020-27655 disclosed?

CVE-2020-27655 was first published in the National Vulnerability Database on October 29, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-27655 actively exploited?

CVE-2020-27655 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 79.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-27655?

CVE-2020-27655 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 10.0.

How do I remediate CVE-2020-27655?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-27655, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2020-27655

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-27655?

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Published

Last Modified

References (4)

Frequently asked(5)

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