CVE-2021-326783.7LowCWE-799

CVE-2021-32678: Ratelimit not applied on OCS API responses

nextcloud · security-advisories

Vendor fix available · Affected: nextcloud security-advisories · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.4%probability of exploitation in the next 30 days

72nd percentile

050100

Higher than 72% of scored CVEs

3.7LowCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

nextcloud · security-advisories< 19.0.13; >= 20.0.0, < 20.0.11; >= 21.0.0, < 21.0.3

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Improper Control of Interaction Frequency · Input Validation and Logic
Vendor: nextcloud
Published: July 2021
Band: Possible (1 to 10%), July 2021
Bounty reports: 1 disclosed on HackerOne

Disclosed bug bounty reports about CVE-2021-32678

The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.

Ratelimits do not apply to OCS DataResponseNextcloud · 2021 · none severityValid

CoverageNo articles yet

No CyberSIXT article names CVE-2021-32678 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.