cvedb.io
CVE-2021-32623
HIGH · CVSS 8.1
EPSS exploitation probability: 0%
Published 2021-06-16T00:15:07.717 · Last modified 2026-06-17T03:53:17.573

Summary

Opencast is a free and open source solution for automated video capture and distribution. Versions of Opencast prior to 9.6 are vulnerable to the billion laughs attack, which allows an attacker to easily execute a (seemingly permanent) denial of service attack, essentially taking down Opencast using a single HTTP request. To exploit this, users need to have ingest privileges, limiting the group of potential attackers The problem has been fixed in Opencast 9.6. There is no known workaround for this issue.

Affected products

apereo — opencast

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.