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)

EPSS: 0.848 (99.7th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.