CVE-2020-5849
Unraid 6.8.0 allows authentication bypass.
High
Known exploited
- Severity
- 7.5 / 10
- High · CVSS 3.1
- Exploit chance (EPSS)
- 93.24%
- Chance of exploitation in the next 30 days. Higher than 99.83% of scored vulnerabilities.
- Known exploited
- Yes
- In CISA's catalog since Nov 3, 2021
- Fix
- None yet
- No fixed version published
Exploited in the wild. Unraid Authentication Bypass Vulnerability (Unraid Unraid). Required action: Apply updates per vendor instructions. Due for U.S. federal agencies by May 3, 2022.
Description
Unraid 6.8.0 allows authentication bypass.
How to fix
No fixed version has been published yet. Until one is, remove or replace the package, or turn off or isolate the affected feature. This page updates when a fix ships.
Severity breakdown
CVSS 3.1 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Weakness
CWE-697: Incorrect Comparison
The product compares two entities in a security-relevant context, but the comparison is incorrect.
CWE-697: Incorrect Comparison
The product compares two entities in a security-relevant context, but the comparison is incorrect.
References
Advisories
Other links
Timeline
- Published
- Added to CISA's Known Exploited Vulnerabilities catalog
- Remediation due for U.S. federal agencies
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| GHSA-rpw4-54j3-4h4q ip-address: Address6.isLinkLocal() recognizes fe80::/64 rather than fe80::/10, allowing SSRF and trust-boundary bypass to on-link hosts | Medium | Same weakness, CWE-697 |
| GHSA-j6r3-76f7-8jcv ip-address: isInSubnet() and isHostInSubnet() compare addresses of different families as if they shared an address space, allowing an allowlist check to admit an address outside its range | Medium | Same weakness, CWE-697 |
| GHSA-jqcg-44mw-7w3h proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet | Critical | Same weakness, CWE-697 |
| EEF-CVE-2026-80227 SQL string_trim removes only spaces, diverging from in-memory trimming in AshSql | Not rated yet | Same weakness, CWE-697 |
| GHSA-39q2-94rc-95cp DOMPurify's ADD_TAGS function form bypasses FORBID_TAGS due to short-circuit evaluation | Medium | Same weakness, CWE-697 |
| GHSA-f6j3-w9v3-cq22 Parse Server has a session field immutability bypass via falsy-value guard | Medium | Same weakness, CWE-697 |
| GHSA-7wx9-6375-f5wh PickleScan's profile.run blocklist mismatch allows exec() bypass | Critical | Same weakness, CWE-697 |
| GHSA-4v8w-gg5j-ph37 MantisBT vulnerable to authentication bypass for some passwords due to PHP type juggling | Critical | Same weakness, CWE-697 |
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