4
CVSSv2

CVE-2021-32623

Published: 16/06/2021 Updated: 23/06/2021
CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 356
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Vulnerability Summary

Opencast is a free and open source solution for automated video capture and distribution. Versions of Opencast before 9.6 are vulnerable to the billion laughs attack, which allows an malicious user 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.

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