CVE-2023-21918

mediumpriority · track · 0EPSS 0.007 · 52 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.67% (52nd) EPSS

CVSS 6.8 · medium

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Vulnerability in the Oracle Database Recovery Manager component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows high privileged attacker having Local SYSDBA privilege with network access via Oracle Net to compromise Oracle Database Recovery Manager. While the vulnerability is in Oracle Database Recovery Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Database Recovery Manager. CVSS 3.1 Base Score 6.8 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H).

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.8mediumAV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hsecondary · ENISA EU

v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hsecondary · secalert_us@oracle.com USexploitability 2.3 · impact 4

v3.16.2mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

affected products (9)

Products and version ranges known to be affected.

Oracle Database Server 19call versionscert_bundDEcpe:/a:oracle:database_server:19c
Oracle Database Server 21call versionscert_bundDEcpe:/a:oracle:database_server:21c
Oracle Corporation Database - Enterprise Edition≤ 19cenisa_euvdEU
Oracle Corporation Database - Enterprise Edition≤ 21cenisa_euvdEU
Oracle Corp. Database≤ 19.19fstec_bduRU
Oracle Corp. Database Server≤ 21cfstec_bduRU
Oracle Corp. Database Server≤ 19cfstec_bduRU
oracle database recovery manager= 19cnvdUScpe:2.3:a:oracle:database_recovery_manager:*:*:*:*:*:*:*:*
oracle database recovery manager= 21cnvdUScpe:2.3:a:oracle:database_recovery_manager:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1007Oracle Database Server: Mehrere SchwachstellenDeutsch2023-04-18csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Oracle Database Server ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-04-18modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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