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Nextcloud Server Multiple Vulnerabilities (Jul 2021)

Information

Severity

Severity

High

Family

Family

Web application abuses

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

Nextcloud Server is prone to multiple vulnerabilities.

Insight

Insight

The following vulnerabilities exist: - CVE-2021-32678: Ratelimit not applied on OCS API responses - CVE-2021-32679: Filenames not escaped by default in controllers using DownloadResponse - CVE-2021-32680: Audit log is not properly logging unsetting of share expiration date - CVE-2021-32688: Application specific tokens can change their own scope - CVE-2021-32703: Lack of ratelimit on shareinfo endpoint - CVE-2021-32705: Lack of ratelimit on public DAV endpoint - CVE-2021-32725: Default share permissions not respected for federated reshares - CVE-2021-32726: Webauthn tokens not removed after user has been deleted - CVE-2021-32733: XSS in Nextcloud Text application - CVE-2021-32734: File path disclosure of shared files in Nextcloud Text application - CVE-2021-32741: Lack of ratelimit on public share link mount endpoint

Affected Software

Affected Software

Nextcloud server 19.0.12 and prior, 20.0.x through 20.0.10 and 21.0.x through 21.0.2.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 19.0.13, 20.0.11, 21.0.3 or later.