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CVE-2021-43847

Date: December 20, 2021

HumHub is an open-source social network kit written in PHP. Prior to HumHub version 1.10.3 or 1.9.3, it could be possible for registered users to become unauthorized members of private Spaces. Versions 1.10.3 and 1.9.3 contain a patch for this issue.

Language: PHP

Severity Score

Related Resources (7)

https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/
https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74
https://github.com/humhub/humhub/releases/tag/v1.10.3
https://nvd.nist.gov/vuln/detail/CVE-2021-43847
https://github.com/humhub/humhub/pull/5473
https://github.com/humhub/humhub/releases/tag/v1.9.3
https://www.mend.io/vulnerability-database/CVE-2021-43847

Severity Score

Weakness Type (CWE)

Improper Authorization

CWE-285

Missing Authorization

CWE-862

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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