CVE-2023-22077Network attack vector

Recovery operation hang or repeatable crash

Published Oct 17, 2023 · Updated Sep 13, 2024

Denial of service in Oracle Database 19.3 through 19.20 and 21.3 through 21.11 allows remote authenticated users to hang or crash Recovery Manager. Oracle has not published the vulnerable routine or the operation it performs incorrectly on Recovery Manager input. Exploitation requires a high-privileged DBA account and network access through Oracle Net; successful attacks affect availability only and can repeatedly interrupt recovery operations.

CVSS severity4.9
Medium
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Oracle Database 19.3 through 19.20 and 21.3 through 21.11 allows remote authenticated users to hang or crash Recovery Manager. Oracle has not published the vulnerable routine or the operation it performs incorrectly on Recovery Manager input. Exploitation requires a high-privileged DBA account and network access through Oracle Net; successful attacks affect availability only and can repeatedly interrupt recovery operations.

The record

CVE
CVE-2023-22077
Published
Oct 17, 2023
Updated
Sep 13, 2024
Vendor
Oracle Corporation
Product
Oracle Database
Classifications
T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 17, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 13, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=19.3 <=19.20
  2. Affected versionversion=21.3 <=21.11

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · Oracle Databaseversion=19.3 <=19.20; version=21.3 <=21.11

Published CVSS scores

4.9OracleCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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