CVE-2021-43847
MEDIUMCVSS 6.5/10EPSS 1.18%
Last modified
CVE-2021-43847 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 1.18% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Humhub | Humhub | < 1.9.3 |
| Humhub | Humhub | >= 1.10.0, < 1.10.3 |
References
- https://github.com/humhub/humhub/pull/5473Patch, Third Party Advisory
- https://github.com/humhub/humhub/releases/tag/v1.10.3Release Notes, Third Party Advisory
- https://github.com/humhub/humhub/releases/tag/v1.9.3Release Notes, Third Party Advisory
- https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74Exploit, Third Party Advisory
- https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/humhub/humhub/pull/5473Patch, Third Party Advisory
- https://github.com/humhub/humhub/releases/tag/v1.10.3Release Notes, Third Party Advisory
- https://github.com/humhub/humhub/releases/tag/v1.9.3Release Notes, Third Party Advisory
- https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74Exploit, Third Party Advisory
- https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43847?
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.
How severe is CVE-2021-43847?
CVE-2021-43847 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43847?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-43847?
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Scan your code nowSource: NVD / NIST