How severe is CVE-2021-35599?

CVE-2021-35599 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-35599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35599?

CVE-2021-35599 affects Oracle Zero Downtime Db Migration To Cloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35599?

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-2021-35599 published?

CVE-2021-35599 was published on 2021-10-20 and last updated on 2026-06-17.

CVE-2021-35599

CVE-2021-35599 is a high-severity vulnerability in Oracle Zero Downtime Db Migration To Cloud with a CVSS 3.x base score of 8.2. 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 8.2)
CVSS v2: 4.6
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Zero Downtime Db Migration To Cloud
Published: 2021-10-20
Last modified: 2026-06-17

Description

Vulnerability in the Zero Downtime DB Migration to Cloud component of Oracle Database Server. The supported version that is affected is 21c. Easily exploitable vulnerability allows high privileged attacker having Local Logon privilege with logon to the infrastructure where Zero Downtime DB Migration to Cloud executes to compromise Zero Downtime DB Migration to Cloud. While the vulnerability is in Zero Downtime DB Migration to Cloud, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Zero Downtime DB Migration to Cloud. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

Frequently asked questions

What is CVE-2021-35599?: Vulnerability in the Zero Downtime DB Migration to Cloud component of Oracle Database Server. The supported version that is affected is 21c. Easily exploitable vulnerability allows high privileged attacker having Local Logon privilege with logon to the infrastructure where Zero Downtime DB Migration to Cloud executes to compromise Zero Downtime DB Migration to Cloud. While the vulnerability is in Zero Downtime DB Migration to Cloud, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Zero Downtime DB Migration to Cloud. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
How severe is CVE-2021-35599?: CVE-2021-35599 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-35599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35599?: CVE-2021-35599 affects Oracle Zero Downtime Db Migration To Cloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35599?: 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-2021-35599 published?: CVE-2021-35599 was published on 2021-10-20 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuoct2021.html

Affected products (1)

cpe:2.3:a:oracle:zero_downtime_db_migration_to_cloud:21c:*:*:*:*:*:*:*