Vulnerability in Humhub Social Network Kit

CVE-2019-12743

HumHub Social Network Kit Enterprise v1.3.13 allows remote attackers to find the user accounts existing on any Social Network Kits (including self-hosted ones) by brute-forcing the username after the /u/ initial URI substring, aka Response Discrepancy Information Exposure.

EPSS: 0.015 (71.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-12743?
CVE-2019-12743 is a medium-severity vulnerability in Humhub Social Network Kit, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2019-07-29.
How severe is CVE-2019-12743?
Medium severity. CVSS v3 base score is 5.3 out of 10.