CVE-2023-39196: Improper Authentication vulnerability in Apache Ozone. The vulnerability allows an attacker to download metad

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MEDIUM 5.3REMOTEWATCHLISTUPGRADE

CVE-2023-39196 is a medium-severity flaw (CVSS 5.3) affecting ozone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Authentication vulnerability in Apache Ozone. The vulnerability allows an attacker to download metadata internal to the Storage Container Manager service without proper authentication. The attacker is not allowed to do any modification within the Ozone Storage Container Manager service using this vulnerability. The accessible metadata does not contain sensitive information that can be used to exploit the system later on, and the accessi

Why this priority

Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-287
Published	2024-02-07
Last modified	2026-06-17

Publisher (CNA): Apache Software Foundation · Vendor: apache

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

Am I affected?

Timeline

2024-02-07 13:15 UTCPublished CVE record published
2026-06-17 06:11 UTCUpdated Record last modified

apache ozone UPGRADE

Affected: >= 1.2.0 and <= 1.3.0

Fixed in: newer than 1.3.0

Safe to downgrade to: a release before 1.2.0

1. Check installed version

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

2. UPGRADE to newer than 1.3.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ozone

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 1.2.0 (Debian / Ubuntu)

apt-cache madison ozone sudo apt install ozone=<VERSION_BEFORE_1.2.0> sudo apt-mark hold ozone

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

dnf --showduplicates list ozone sudo dnf downgrade ozone-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add ozone

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-2023-39196?

ozone: upgrade to newer than 1.3.0. Exact commands for each OS are on this page.

Is CVE-2023-39196 being exploited?

CVE-2023-39196 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-2023-39196 affect?

CVE-2023-39196 affects ozone. Severity is medium (CVSS 5.3). Improper Authentication vulnerability in Apache Ozone. The vulnerability allows an attacker to download metadata internal to the Storage Container Manager service without proper authentication. The attacker is not allowed to do any modific

How urgent is CVE-2023-39196?

Priority 43/100. Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2024-45106 HIGH 8.1 DOWNGRADE Improper authentication of an HTTP endpoint in the S3 Gateway of Apache Ozone 1.4.0 allows any authenticated K
CVE-2021-41532 MEDIUM 5.3 UPGRADE In Apache Ozone before 1.2.0, Recon HTTP endpoints provide access to OM, SCM and Datanode metadata
CVE-2021-39236 HIGH 8.8 UPGRADE In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM reque
CVE-2021-39235 MEDIUM 6.5 UPGRADE In Apache Ozone before 1.2.0, Ozone Datanode doesn't check the access mode parameter of the block token
CVE-2021-39234 MEDIUM 6.8 UPGRADE In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft spe

References

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