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CVE-2021-29084

HIGH
7.5
CVSS Score
Published: June 23, 2021 at 09:55 AM UTC
Updated: June 17, 2026 at 03:47 AM UTC
2 products affected across 1 vendorDiskStation ManagerDiskstation Manager Unified Controller

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

Improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability in Security Advisor report management component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to read arbitrary files via unspecified vectors.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

DiskStation Manager· Synology
95%
v < 6.2.3-25426-36.2 ≤ v < 6.2.3-25426-3
Affected range stops below 6.2.3-25426-3, so it looks safe — our inference, not a vendor statement
Diskstation Manager Unified Controller· Synology
95%
v < 3.1-23033
Affected range stops below 3.1-23033, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.synology.com/security/advisory/Synology_SA_20_26

CVSS

7.5HIGHsynology
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74

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