How severe is CVE-2023-21858?

CVE-2023-21858 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-21858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21858?

CVE-2023-21858 affects Oracle Collaborative Planning. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-21858 published?

CVE-2023-21858 was published on 2023-01-18 and last updated on 2026-06-17.

CVE-2023-21858

CVE-2023-21858 is a high-severity vulnerability in Oracle Collaborative Planning with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Collaborative Planning
Published: 2023-01-18
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Collaborative Planning product of Oracle E-Business Suite (component: Installation). Supported versions that are affected are 12.2.3-12.2.12. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Collaborative Planning. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Collaborative Planning accessible data. CVSS 3.1 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

Frequently asked questions

What is CVE-2023-21858?: Vulnerability in the Oracle Collaborative Planning product of Oracle E-Business Suite (component: Installation). Supported versions that are affected are 12.2.3-12.2.12. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Collaborative Planning. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Collaborative Planning accessible data. CVSS 3.1 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).
How severe is CVE-2023-21858?: CVE-2023-21858 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-21858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21858?: CVE-2023-21858 affects Oracle Collaborative Planning. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-21858 published?: CVE-2023-21858 was published on 2023-01-18 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpujan2023.html

Affected products (1)

cpe:2.3:a:oracle:collaborative_planning:*:*:*:*:*:*:*:*

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