CVE-2021-22877Not scoredCWE-284

CVE-2021-22877: Nextcloud Server vulnerability

Nextcloud · Nextcloud Server

Vendor fix available · Affected: Nextcloud Server · Exploitation: possible (1 to 10%)

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

1.7%probability of exploitation in the next 30 days

77th percentile

050100

Higher than 77% of scored CVEs

Not scored yet. The CVE record carries no CVSS score.

DescriptionCVE.org

A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.

Affected products1

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

Nextcloud ServerFixed in 20.0.6

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 Access Control · Access Control
Vendor: Nextcloud
Published: March 2021
Band: Possible (1 to 10%), March 2021
Bounty reports: 1 disclosed on HackerOne

Disclosed bug bounty reports about CVE-2021-22877

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

Acting under any different user via DB-stored credentialsNextcloud · 2021 · high severityValid

CoverageNo articles yet

No CyberSIXT article names CVE-2021-22877 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.