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Vulnerability record · CVE-2018-8922 · published 1 June 2018

CVE-2018-8922: Synology drive server improper access control vulnerability

Synology · Drive Server

Improper access control vulnerability in Synology Drive before 1.0.2-10275 allows remote authenticated users to access non-shared files or folders via unspecified vectors.

6.5 CVSS 3.0 Medium EPSS 0.92% · top 41.4% CWE-284 · Improper access control
6.5CVSS 3.0 base score, v2 4.0
0.92%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Improper access control vulnerability in Synology Drive before 1.0.2-10275 allows remote authenticated users to access non-shared files or folders via unspecified vectors.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.synology.com/en-global/support/security/Synology_SA_18_11 Vendor Advisory
https://www.synology.com/en-global/support/security/Synology_SA_18_11 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2024-50630Synology drive server missing authentication for critical function vulnerabilityMissing authentication for critical function vulnerability in the webapi component in Synology Drive Server before 3.0.4-12699, 3.2.1-23280, 3.5.0-26…EPSS 25%7.5CVE-2024-50631Synology drive server sql injection vulnerabilityImproper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in the system syncing daemon in Synology Drive Ser…EPSS 26%5.4CVE-2018-8921Synology drive server cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in File Sharing Notify Toast in Synology Drive before 1.0.2-10275 allows remote authenticated users to injec…EPSS 0.62%5.4CVE-2018-8910Synology drive server cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in Attachment Preview in Synology Drive before 1.0.1-10253 allows remote authenticated users to inject arbit…EPSS 0.80%5.3CVE-2018-13297Synology drive server information exposure vulnerabilityInformation exposure vulnerability in SYNO.SynologyDrive.Files in Synology Drive before 1.1.2-10562 allows remote attackers to obtain sensitive syste…EPSS 1.5%7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed10.0CVE-2026-21962Oracle HTTP Server and WebLogic Proxy Plug-in improper access controlOracle HTTP Server and the WebLogic Server Proxy Plug-in (for Apache HTTP Server and IIS) contain an improper access control flaw (CWE-284) in suppor…KEVEPSS 71%analysed10.0CVE-2026-34908Ubiquiti UniFi OS improper access control allows unauthorized system changesUniFi OS devices contain an improper access control flaw (CWE-284) that lets a network-reachable actor make unauthorized changes to the system. The C…KEVEPSS 15%analysed

Source: NIST National Vulnerability Database (record CVE-2018-8922), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.