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CVE-2020-5231

17
FAUCET Score

CVE-2020-5231 affects Apereo Opencast versions prior to 7.6 and 8.1, allowing users with the non-standard ROLE_COURSE_ADMIN role to create new user accounts, excluding those with ROLE_ADMIN privileges. This vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited over a network with low complexity and user interaction, leading to high integrity impact but no confidentiality or availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.6CPE matchmatch criteria
cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:apereo:opencast:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 56th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.opencastproject:opencast-kernelFixed in: 7.6
mavenpatch availablevia ghsa
Product: org.opencastproject:opencast-kernelFixed in: 8.1

Vendor Advisories (1)

mavenGHSA-94qw-r73x-j7hgmedium

Users with ROLE_COURSE_ADMIN can create new users in Opencast

Jan 30, 2020

References

github.com / opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee
Patch
github.com / opencast/opencast/security/advisories/GHSA-94qw-r73x-j7hg
ExploitThird Party Advisory