What is CVE-2021-3964?

CVE-2021-3964 is a medium-severity vulnerability in Elgg, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.9/10. Published 2021-12-01.

How severe is CVE-2021-3964?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Auth bypass in Elgg

CVE-2021-3964

elgg is vulnerable to Authorization Bypass Through User-Controlled Key

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Elgg
Elgg Elgg/elgg — versions unspecified

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3964?: CVE-2021-3964 is a medium-severity vulnerability in Elgg, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.9/10. Published 2021-12-01.
How severe is CVE-2021-3964?: Medium severity. CVSS v3 base score is 5.9 out of 10.