How severe is CVE-2024-25421?

CVE-2024-25421 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-25421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-25421?

CVE-2024-25421 affects Igniterealtime Openfire. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-25421?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-25421 have an EU (EUVD) identifier?

Yes. CVE-2024-25421 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0848.

When was CVE-2024-25421 published?

CVE-2024-25421 was published on 2024-03-26 and last updated on 2026-06-17.

CVE-2024-25421

CVE-2024-25421 is a critical-severity vulnerability in Igniterealtime Openfire with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-250.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0848
Weakness: CWE-250
Affected product: Igniterealtime Openfire
Published: 2024-03-26
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2024-25421?: 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 severe is CVE-2024-25421?: CVE-2024-25421 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-25421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-25421?: CVE-2024-25421 affects Igniterealtime Openfire. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-25421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-25421 have an EU (EUVD) identifier?: Yes. CVE-2024-25421 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0848.
When was CVE-2024-25421 published?: CVE-2024-25421 was published on 2024-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:igniterealtime:openfire:*:*:*:*:*:*:*:*

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