Cyber Resilience

CVE-2021-2401

Medium

Published: 21 July 2021

Published
21 July 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0296 86.8th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-2401 is a medium-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Oracle Bi Publisher. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 13.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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).

CWE(s)
CWE-611

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

oracle
bi publisher
11.1.1.9.0, 12.2.1.3.0, 12.2.1.4.0, 5.5.0.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References