What is CVE-2021-45900?

CVE-2021-45900 is a medium-severity vulnerability in Vivoh Webinar Manager, classified under Improper Authentication. CVSS score: 6.5/10. Published 2022-03-30.

How severe is CVE-2021-45900?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Vivoh Webinar Manager

CVE-2021-45900

Vivoh Webinar Manager before 3.6.3.0 has improper API authentication. When a user logs in to the administration configuration web portlet, a VIVOH_AUTH cookie is assigned so that they can be uniquely identified. Certain APIs can be successfully executed without proper authentication. This can let an attacker impersonate as victim and make state changing requests on their behalf.

Vulnerability class: Broken Authentication

EPSS: 0.007 (50.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Vivoh Webinar_manager
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (x_refsource_MISC, Broken Link)
cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45900?: CVE-2021-45900 is a medium-severity vulnerability in Vivoh Webinar Manager, classified under Improper Authentication. CVSS score: 6.5/10. Published 2022-03-30.
How severe is CVE-2021-45900?: Medium severity. CVSS v3 base score is 6.5 out of 10.