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CVE-2018-8922· NVD / CVE Program· CNA synology

Improper access control vulnerability in Synology Drive before 1.0.2-10275 allows remote authenticated users to access non-shared files or f

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.

MediumCVSS 6.5 · v3.0—No exploit No fix recorded

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Published
Jun 1, 2018
Updated
Jun 16, 2026
EPSS
0.9% · 59th percentile
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Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

CNA vs NVD score

NVD
6.5
CNA · synology
6.5
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
synologydrive server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • synology drive server1.0.2-10275

Versions reported by the vendor

Affected version ranges reported by the assigning authority (synology). Independent of NVD's CPE analysis and usually ahead of it.

  • Synology Drive

    • unspecified and later · before 1.0.2-10275affected

Same product

synology: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-50631Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in the system syncing daemon in Synology
    38Monitor
  • CVE-2024-50630Missing authentication for critical function vulnerability in the webapi component in Synology Drive Server before 3.0.4-12699, 3.2.1-23280,
    37Monitor
  • CVE-2018-13297Information exposure vulnerability in SYNO.SynologyDrive.Files in Synology Drive before 1.1.2-10562 allows remote attackers to obtain sensit
    21Monitor
  • CVE-2018-8921Cross-site scripting (XSS) vulnerability in File Sharing Notify Toast in Synology Drive before 1.0.2-10275 allows remote authenticated users
    21Monitor
  • CVE-2018-8910Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology Drive before 1.0.1-10253 allows remote authenticated users to inj
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-284 · Improper Access Control

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records