CVE-2023-21949
CVE-2023-21949 is a low-severity vulnerability in Oracle Database Server with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Low (CVSS 3.x base score 3.7)
- EPSS exploit prediction: 0% (30th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Oracle Database Server
- Published:
- Last modified:
Description
Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 19.3-19.19 and 21.3-21.10. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Advanced Networking Option accessible data. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
Frequently asked questions
- What is CVE-2023-21949?
- Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 19.3-19.19 and 21.3-21.10. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Advanced Networking Option accessible data. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
- How severe is CVE-2023-21949?
- CVE-2023-21949 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2023-21949 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21949?
- CVE-2023-21949 affects Oracle Database Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-21949?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-21949 published?
- CVE-2023-21949 was published on 2023-07-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*
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