AUGUST 4, 2026
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Case File

CVE-2021-22877

MEDIUM · CVSS 6.5 EPSS 1.69% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-03 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-22877
Severity
MEDIUM
CVSS
6.5
EPSS
1.69%

Original NVD Description

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.