CVE-2024-21703: This Medium severity Security Misconfiguration vulnerability was introduced in version 8.8.1 of Confluence Dat

Routine

MEDIUM 6.4UPGRADEUPGRADE

CVE-2024-21703 is a medium-severity flaw (CVSS 6.4) affecting confluence data center, confluence server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This Medium severity Security Misconfiguration vulnerability was introduced in version 8.8.1 of Confluence Data Center and Server for Windows installations. This Security Misconfiguration vulnerability, with a CVSS Score of 6.4 allows an authenticated attacker of the Windows host to read sensitive information about the Confluence Data Center configuration which has high impact to confidentiality, high impact to integrity, high impact to avail

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-732
Published	2024-11-27
Last modified	2026-06-17

Publisher (CNA): Atlassian · Vendor: atlassian

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

Am I affected?

Timeline

2024-11-27 17:15 UTCPublished CVE record published
2026-06-17 07:10 UTCUpdated Record last modified

atlassian confluence data center UPGRADE

Affected: < 7.19.18 · >= 8.5 and < 8.5.5 · >= 8.7 and < 8.7.2

Fixed in: 7.19.18, 8.5.5, 8.7.2

Safe to downgrade to: a release before 8.5

1. Check installed version

apt-cache policy confluence-data-center || rpm -q confluence-data-center || confluence-data-center --version

2. UPGRADE to 7.19.18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade confluence-data-center

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade confluence-data-center

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 8.5 (Debian / Ubuntu)

apt-cache madison confluence-data-center sudo apt install confluence-data-center=<VERSION_BEFORE_8.5> sudo apt-mark hold confluence-data-center

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

dnf --showduplicates list confluence-data-center sudo dnf downgrade confluence-data-center-<VERSION_BEFORE_8.5> sudo dnf versionlock add confluence-data-center

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.

atlassian confluence server UPGRADE

Affected: < 7.19.18 · >= 8.0.0 and < 8.5.5

Fixed in: 7.19.18, 8.5.5

Safe to downgrade to: a release before 8.0.0

1. Check installed version

apt-cache policy confluence-server || rpm -q confluence-server || confluence-server --version

2. UPGRADE to 7.19.18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade confluence-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade confluence-server

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 8.0.0 (Debian / Ubuntu)

apt-cache madison confluence-server sudo apt install confluence-server=<VERSION_BEFORE_8.0.0> sudo apt-mark hold confluence-server

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

dnf --showduplicates list confluence-server sudo dnf downgrade confluence-server-<VERSION_BEFORE_8.0.0> sudo dnf versionlock add confluence-server

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-2024-21703?

confluence data center: upgrade to 7.19.18, 8.5.5, 8.7.2; confluence server: upgrade to 7.19.18, 8.5.5. Exact commands for each OS are on this page.

Is CVE-2024-21703 being exploited?

CVE-2024-21703 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-2024-21703 affect?

CVE-2024-21703 affects confluence data center, confluence server. Severity is medium (CVSS 6.4). This Medium severity Security Misconfiguration vulnerability was introduced in version 8.8.1 of Confluence Data Center and Server for Windows installations. This Security Misconfiguration vulnerability, with a CVSS Score of 6.4 allows an

How urgent is CVE-2024-21703?

Priority 25/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · Atlassian Confluence vulnerabilities

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References

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