XXE in Oracle Bi Publisher
CVE-2021-2401
Vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware (component: E-Business Suite - XDO). Supported versions that are affected are 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle BI Publisher 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).
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.848 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.848 · newest: 0.848 · change: 0.000
Affected products
- Oracle Bi Publisher — versions 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0
- Oracle Corporation Bi Publisher (Formerly XML Publisher) — versions 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/security-alerts/cpujul2021.html (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-887/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-2401?
- CVE-2021-2401 is a medium-severity vulnerability in Oracle Bi Publisher, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.3/10. Published 2021-07-21.
- How severe is CVE-2021-2401?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-2401 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.