How severe is CVE-2025-21557?

CVE-2025-21557 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-21557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21557?

CVE-2025-21557 primarily affects Oracle Application Express. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21557?

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

Does CVE-2025-21557 have an EU (EUVD) identifier?

Yes. CVE-2025-21557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2546.

When was CVE-2025-21557 published?

CVE-2025-21557 was published on 2025-01-21 and last updated on 2026-06-17.

CVE-2025-21557

CVE-2025-21557 is a medium-severity vulnerability in Oracle Application Express with a CVSS 3.x base score of 5.4. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2546
Weakness: CWE-863
Affected product: Oracle Application Express
Published: 2025-01-21
Last modified: 2026-06-17

Description

Vulnerability in Oracle Application Express (component: General). Supported versions that are affected are 23.2 and 24.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Application Express. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Application Express, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Application Express accessible data as well as unauthorized read access to a subset of Oracle Application Express accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

Frequently asked questions

What is CVE-2025-21557?: Vulnerability in Oracle Application Express (component: General). Supported versions that are affected are 23.2 and 24.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Application Express. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Application Express, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Application Express accessible data as well as unauthorized read access to a subset of Oracle Application Express accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).
How severe is CVE-2025-21557?: CVE-2025-21557 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-21557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21557?: CVE-2025-21557 primarily affects Oracle Application Express. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-21557 have an EU (EUVD) identifier?: Yes. CVE-2025-21557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2546.
When was CVE-2025-21557 published?: CVE-2025-21557 was published on 2025-01-21 and last updated on 2026-06-17.

References

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

Affected products (2)

cpe:2.3:a:oracle:application_express:23.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:application_express:24.1:*:*:*:*:*:*:*

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