Auth bypass in Oracle Application Express
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).
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (15.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Oracle Application Express — versions 23.2, 24.1
- Oracle Corporation Application Express — versions 23.2, 24.1
Weakness classification (CWE)
References
- www.oracle.com/security-alerts/cpujan2025.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-21557?
- CVE-2025-21557 is a medium-severity vulnerability in Oracle Application Express, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2025-01-21.
- How severe is CVE-2025-21557?
- Medium severity. CVSS v3 base score is 5.4 out of 10.