CVE-2024-25421: An issue in Ignite Realtime Openfire v.4.9.0 and before allows a remote attacker to escalate privileges via th

Q: How do I fix CVE-2024-25421?

openfire: upgrade to newer than 4.9.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-25421 being exploited?

CVE-2024-25421 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-25421 affect?

CVE-2024-25421 affects openfire. Severity is critical (CVSS 9.8). An issue in Ignite Realtime Openfire v.4.9.0 and before allows a remote attacker to escalate privileges via the ROOM_CACHE component.

Q: How urgent is CVE-2024-25421?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-25421 is a critical-severity flaw (CVSS 9.8) affecting openfire. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in Ignite Realtime Openfire v.4.9.0 and before allows a remote attacker to escalate privileges via the ROOM_CACHE component.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 24%)
CISA exploited list	No
Weakness	CWE-250
Published	2024-03-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: igniterealtime

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

Am I affected?

Timeline

2024-03-26 21:15 UTCPublished CVE record published
2026-06-17 07:16 UTCUpdated Record last modified

igniterealtime openfire UPGRADE

Affected: <= 4.9.0

Fixed in: newer than 4.9.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.9.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openfire

Note

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

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-2024-25421?

openfire: upgrade to newer than 4.9.0. Exact commands for each OS are on this page.

Is CVE-2024-25421 being exploited?

CVE-2024-25421 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-2024-25421 affect?

CVE-2024-25421 affects openfire. Severity is critical (CVSS 9.8). An issue in Ignite Realtime Openfire v.4.9.0 and before allows a remote attacker to escalate privileges via the ROOM_CACHE component.

How urgent is CVE-2024-25421?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-25420 HIGH 7.2 UPGRADE An issue in Ignite Realtime Openfire before 4.8.1 allows a remote attacker to escalate privileges via the admi

References

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