What is CVE-2018-16153?

CVE-2018-16153 is a high-severity vulnerability in Apereo Opencast, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2023-12-12.

How severe is CVE-2018-16153?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apereo Opencast

CVE-2018-16153

An issue was discovered in Apereo Opencast 4.x through 10.x before 10.6. It sends system digest credentials during authentication attempts to arbitrary external services in some situations.

Published 2023-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apereo Opencast

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

www.apereo.org/projects/opencast/news (Release Notes)
github.com/advisories/GHSA-hcxx-mp6g-6gr9 (Third Party Advisory)
github.com/opencast/opencast/commit/776d5588f39c61eb04c03bb955416c4f77629d51 (Patch)
docs.opencast.org/r/10.x/admin/ (Release Notes)

Frequently asked questions

What is CVE-2018-16153?: CVE-2018-16153 is a high-severity vulnerability in Apereo Opencast, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2023-12-12.
How severe is CVE-2018-16153?: High severity. CVSS v3 base score is 7.5 out of 10.