CVE-2023-38334: Omnis Studio 10.22.00 has incorrect access control

This week

MEDIUM 6.5REMOTEDOWNGRADE

CVE-2023-38334 is a medium-severity flaw (CVSS 6.5) affecting studio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Omnis Studio 10.22.00 has incorrect access control. It advertises an irreversible feature for locking classes within Omnis libraries: it should be no longer possible to delete, view, change, copy, rename, duplicate, or print a locked class. Due to implementation issues, locked classes in Omnis libraries can be unlocked, and thus further analyzed and modified by Omnis Studio. This allows for further analyzing and also deleting, viewing, changing,

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-276
Published	2023-07-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: omnis

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

Am I affected?

Timeline

2023-07-20 18:15 UTCPublished CVE record published
2026-06-17 06:09 UTCUpdated Record last modified

omnis studio DOWNGRADE

Affected: 10.22.00

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.22.00

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 10.22.00 (Debian / Ubuntu)

apt-cache madison studio sudo apt install studio=<VERSION_BEFORE_10.22.00> sudo apt-mark hold studio

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list studio sudo dnf downgrade studio-<VERSION_BEFORE_10.22.00> sudo dnf versionlock add studio

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-2023-38334?

studio: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-38334 being exploited?

CVE-2023-38334 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-2023-38334 affect?

CVE-2023-38334 affects studio. Severity is medium (CVSS 6.5). Omnis Studio 10.22.00 has incorrect access control. It advertises an irreversible feature for locking classes within Omnis libraries: it should be no longer possible to delete, view, change, copy, rename, duplicate, or print a locked class.

How urgent is CVE-2023-38334?

Priority 48/100. Public exploit reference; Remotely exploitable, no login, no user action

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References

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