CVE-2023-21859

CVE-2023-21859 is a medium-severity vulnerability in Oracle Access Manager with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Access Manager executes to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.1 Base Score 4.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

Frequently asked questions

What is CVE-2023-21859?
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Access Manager executes to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.1 Base Score 4.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).
How severe is CVE-2023-21859?
CVE-2023-21859 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-21859 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21859?
CVE-2023-21859 affects Oracle Access Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21859?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21859 published?
CVE-2023-21859 was published on 2023-01-18 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Oracle Access Manager

All CVEs affecting Oracle Access Manager →