How severe is CVE-2023-21848?

CVE-2023-21848 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-21848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21848?

CVE-2023-21848 affects Oracle Communications Convergence. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21848?

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-2023-21848 published?

CVE-2023-21848 was published on 2023-01-18 and last updated on 2026-06-17.

CVE-2023-21848

CVE-2023-21848 is a high-severity vulnerability in Oracle Communications Convergence with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Oracle Communications Convergence
Published: 2023-01-18
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Communications Convergence product of Oracle Communications Applications (component: Admin Configuration). The supported version that is affected is 3.0.3.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Communications Convergence. Successful attacks of this vulnerability can result in takeover of Oracle Communications Convergence. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Frequently asked questions

What is CVE-2023-21848?: Vulnerability in the Oracle Communications Convergence product of Oracle Communications Applications (component: Admin Configuration). The supported version that is affected is 3.0.3.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Communications Convergence. Successful attacks of this vulnerability can result in takeover of Oracle Communications Convergence. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
How severe is CVE-2023-21848?: CVE-2023-21848 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-21848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21848?: CVE-2023-21848 affects Oracle Communications Convergence. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21848?: 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-2023-21848 published?: CVE-2023-21848 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:communications_convergence:3.0.3.1.0:*:*:*:*:*:*:*

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