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Vulnerability Details : CVE-2021-32678

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, ratelimits are not applied to OCS API responses. This affects any OCS API controller (`OCSController`) using the `@BruteForceProtection` annotation. Risk depends on the installed applications on the Nextcloud Server, but could range from bypassing authentication ratelimits or spamming other Nextcloud users. The vulnerability is patched in versions 19.0.13, 20.0.11, and 21.0.3. No workarounds aside from upgrading are known to exist.
Publish Date : 2021-07-12 Last Update Date : 2021-09-20
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 307

- Products Affected By CVE-2021-32678

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
3 Application Nextcloud Nextcloud Server * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 2
Nextcloud Nextcloud Server 1

- References For CVE-2021-32678

https://github.com/nextcloud/server/pull/27329
https://hackerone.com/reports/1214158
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-48rx-3gmf-g74j CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/J63NBVPR2AQCAWRNDOZSGRY5II4WS2CZ/
FEDORA FEDORA-2021-9b421b78af
https://lists.fedoraproject.org/archives/list/[email protected]/message/BVZS26RDME2DYTKET5AECRIZDFUGR2AZ/
FEDORA FEDORA-2021-6f327296fe

- Metasploit Modules Related To CVE-2021-32678

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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