CVE-2024-21685: This High severity Information Disclosure vulnerability was introduced in versions 9.4.0, 9.12.0, and 9.15.0 o

Routine

MEDIUM 6.5UPGRADEUPGRADE

CVE-2024-21685 is a medium-severity flaw (CVSS 6.5) affecting jira data center, jira server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This High severity Information Disclosure vulnerability was introduced in versions 9.4.0, 9.12.0, and 9.15.0 of Jira Core Data Center. This Information Disclosure vulnerability, with a CVSS Score of 7.4, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability which has high impact to confidentiality, no impact to integrity, no impact to availability, and requires user interaction. A

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	None
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-200
Published	2024-06-18
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

2024-06-18 17:15 UTCPublished CVE record published
2026-06-17 07:09 UTCUpdated Record last modified

atlassian jira data center UPGRADE

Affected: >= 9.4.0 and < 9.4.21 · >= 9.12.0 and < 9.12.8 · >= 9.15.0 and < 9.16.0

Fixed in: 9.4.21, 9.12.8, 9.16.0

Safe to downgrade to: a release before 9.4.0

1. Check installed version

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

2. UPGRADE to 9.4.21 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jira-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 9.4.0 (Debian / Ubuntu)

apt-cache madison jira-data-center sudo apt install jira-data-center=<VERSION_BEFORE_9.4.0> sudo apt-mark hold jira-data-center

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

dnf --showduplicates list jira-data-center sudo dnf downgrade jira-data-center-<VERSION_BEFORE_9.4.0> sudo dnf versionlock add jira-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 jira server UPGRADE

Affected: >= 9.4.0 and < 9.4.21 · >= 9.12.0 and < 9.12.8

Fixed in: 9.4.21, 9.12.8

Safe to downgrade to: a release before 9.4.0

1. Check installed version

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

2. UPGRADE to 9.4.21 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jira-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 9.4.0 (Debian / Ubuntu)

apt-cache madison jira-server sudo apt install jira-server=<VERSION_BEFORE_9.4.0> sudo apt-mark hold jira-server

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

dnf --showduplicates list jira-server sudo dnf downgrade jira-server-<VERSION_BEFORE_9.4.0> sudo dnf versionlock add jira-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-2024-21685?

jira data center: upgrade to 9.4.21, 9.12.8, 9.16.0; jira server: upgrade to 9.4.21, 9.12.8. Exact commands for each OS are on this page.

Is CVE-2024-21685 being exploited?

CVE-2024-21685 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-2024-21685 affect?

CVE-2024-21685 affects jira data center, jira server. Severity is medium (CVSS 6.5). This High severity Information Disclosure vulnerability was introduced in versions 9.4.0, 9.12.0, and 9.15.0 of Jira Core Data Center. This Information Disclosure vulnerability, with a CVSS Score of 7.4, allows an unauthenticated atta

How urgent is CVE-2024-21685?

Priority 32/100. No elevated risk signals yet.

Software pages

Atlassian Jira vulnerabilities

Related CVEs

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CVE-2024-21683 HIGH 8.8 UPGRADE UPGRADE This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data
CVE-2019-15002 MEDIUM 4.3 UPGRADE UPGRADE An exploitable CSRF vulnerability exists in Atlassian Jira, from versions 7.6.4 to 8.1.0

References

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