What is the CVSS score of CVE-2021-43847?

CVE-2021-43847 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2021-43847?

Yes, a public proof-of-concept exploit is available for CVE-2021-43847. Prioritise patching immediately. EPSS: 1.2%.

Is there a patch available for CVE-2021-43847?

Yes, a patch is available for CVE-2021-43847. Update the affected software to the latest version immediately.

Humhub CVE-2021-43847

MEDIUM

Improper Authorization (CWE-285)

2021-12-20 security-advisories@github.com

Authentication Bypass Humhub

6.5

CVSS 3.1 · Vendor: github

Severity by source

Vendor (github) PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from Vendor (github) · only source for this CVE.

CVSS VectorVendor: github

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Dec 20, 2021 - 22:15 cve.org

MEDIUM 6.5

DescriptionCVE.org

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.

AnalysisAI

HumHub is an open-source social network kit written in PHP. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-285. 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. Affected products include: Humhub. Version information: version 1.10.3.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.