How severe is CVE-2021-2173?

CVE-2021-2173 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-2173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-2173?

CVE-2021-2173 primarily affects Oracle Database Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-2173?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-2173 published?

CVE-2021-2173 was published on 2021-04-22 and last updated on 2026-06-17.

CVE-2021-2173

CVE-2021-2173 is a medium-severity vulnerability in Oracle Database Server with a CVSS 3.x base score of 4.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
CVSS v2: 4.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Database Server
Published: 2021-04-22
Last modified: 2026-06-17

Description

Vulnerability in the Recovery component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having DBA Level Account privilege with network access via Oracle Net to compromise Recovery. While the vulnerability is in Recovery, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Recovery accessible data. CVSS 3.1 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N).

Frequently asked questions

What is CVE-2021-2173?: Vulnerability in the Recovery component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having DBA Level Account privilege with network access via Oracle Net to compromise Recovery. While the vulnerability is in Recovery, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Recovery accessible data. CVSS 3.1 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N).
How severe is CVE-2021-2173?: CVE-2021-2173 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-2173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-2173?: CVE-2021-2173 primarily affects Oracle Database Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-2173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-2173 published?: CVE-2021-2173 was published on 2021-04-22 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:oracle:database_server:12.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:12.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:18c:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:19c:*:*:*:*:*:*:*

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