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CVE-2021-32725

Default share permissions not respected for federated reshares

MEDIUM
5.3
CVSS Score
Published: July 12, 2021 at 07:30 PM UTC
Updated: June 17, 2026 at 03:53 AM UTC
1 product affected across 1 vendorNextcloud/server

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%

Description

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, default share permissions were not being respected for federated reshares of files and folders. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.

Affected

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

Nextcloud/server· Nextcloudnextcloud-app
95%
v < 19.0.1320.0.0 ≤ v < 20.0.1121.0.0 ≤ v < 21.0.3
Affected range stops below 19.0.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 20.0.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 21.0.3, 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 (4)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/nextcloud/server/pull/26946
x_refsource_MISCPermissions Required
Source: [email protected]
https://hackerone.com/reports/1178320
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202208-17

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-277CWE-276

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