CVE-2024-52797: Opencast is free and open source software for automated video capture and distribution

Routine

MEDIUM 6.5UPGRADE

CVE-2024-52797 is a medium-severity flaw (CVSS 6.5) affecting opencast. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Opencast is free and open source software for automated video capture and distribution. First noticed in Opencast 13 and 14, Opencast's Elasticsearch integration may generate syntactically invalid Elasticsearch queries in relation to previously acceptable search queries. From Opencast version 11.4 and newer, Elasticsearch queries are retried a configurable number of times in the case of error to handle temporary losses of connection to Elasticsea

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-770
Published	2024-11-21
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: apereo

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-21 11:15 UTCPublished CVE record published
2026-06-17 08:07 UTCUpdated Record last modified

apereo opencast UPGRADE

Affected: >= 11.4 and < 13.10 · >= 14.0 and < 14.3 · >= 15.0 and < 16.7

Fixed in: 13.10, 14.3, 16.7

Safe to downgrade to: a release before 11.4

1. Check installed version

apt-cache policy opencast || rpm -q opencast || opencast --version

2. UPGRADE to 13.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade opencast

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade opencast

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 11.4 (Debian / Ubuntu)

apt-cache madison opencast sudo apt install opencast=<VERSION_BEFORE_11.4> sudo apt-mark hold opencast

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list opencast sudo dnf downgrade opencast-<VERSION_BEFORE_11.4> sudo dnf versionlock add opencast

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-52797?

opencast: upgrade to 13.10, 14.3, 16.7. Exact commands for each OS are on this page.

Is CVE-2024-52797 being exploited?

CVE-2024-52797 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-52797 affect?

CVE-2024-52797 affects opencast. Severity is medium (CVSS 6.5). Opencast is free and open source software for automated video capture and distribution. First noticed in Opencast 13 and 14, Opencast's Elasticsearch integration may generate syntactically invalid Elasticsearch queries in relation to previo

How urgent is CVE-2024-52797?

Priority 38/100. No elevated risk signals yet.

Software pages

Elasticsearch vulnerabilities

Related CVEs

CVE-2025-55202 MEDIUM 5.3 UPGRADE Opencast is a free, open-source platform to support the management of educational audio and video content
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References

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