Vulnerability in Apereo Opencast
CVE-2021-43821
Opencast is an Open Source Lecture Capture & Video Management for Education. Opencast before version 9.10 or 10.6 allows references to local file URLs in ingested media packages, allowing attackers to include local files from Opencast's ho…
EPSS: 0.020 (77.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Apereo Opencast
- Opencast — versions < 10.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-43821?
- CVE-2021-43821 is a critical-severity vulnerability in Apereo Opencast, classified under Files or Directories Accessible to External Parties. CVSS score: 9.9/10. Published 2021-12-14.
- How severe is CVE-2021-43821?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2021-43821 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.