Authorization Bypass in Space Invite in HumHub
CVE-2021-43847

6.5MEDIUM

Key Information:

Vendor

Humhub

Status
Humhub
Vendor
CVE Published:
20 December 2021

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.

Affected Version(s)

humhub >= 1.10.0, < 1.10.3 < 1.10.0, 1.10.3

humhub < 1.9.3 < 1.9.3

References

https://github.com/humhub/humhub/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/humhub/humhub/pull/5473
x_refsource_MISC
https://github.com/humhub/humhub/releases/tag/v1.10.3
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.