How severe is CVE-2025-21498?

CVE-2025-21498 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-21498 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21498?

CVE-2025-21498 affects Oracle Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-21498?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-21498 have an EU (EUVD) identifier?

Yes. CVE-2025-21498 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2487.

When was CVE-2025-21498 published?

CVE-2025-21498 was published on 2025-01-21 and last updated on 2026-06-17.

CVE-2025-21498

CVE-2025-21498 is a medium-severity vulnerability in Oracle Http Server with a CVSS 3.x base score of 5.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2487
Weakness: CWE-862
Affected product: Oracle Http Server
Published: 2025-01-21
Last modified: 2026-06-17

Description

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Core). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle HTTP Server accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Frequently asked questions

What is CVE-2025-21498?: Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Core). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle HTTP Server accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
How severe is CVE-2025-21498?: CVE-2025-21498 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-21498 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21498?: CVE-2025-21498 affects Oracle Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-21498?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-21498 have an EU (EUVD) identifier?: Yes. CVE-2025-21498 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2487.
When was CVE-2025-21498 published?: CVE-2025-21498 was published on 2025-01-21 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpujan2025.html

Affected products (1)

cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*

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