CVE-2021-2045Network attack vector

Authenticated partial service interruption

Published Jan 20, 2021 · Updated Sep 26, 2024

Denial of service in Oracle Text 12.1.0.2, 12.2.0.1, 18c, and 19c allows remote authenticated users to interrupt the component. The affected operation inside Oracle Text is not publicly identified; Oracle states that detailed security-analysis information is not disclosed. Exploitation requires Create Session privilege and Oracle Net access, has high complexity, and is bounded to a partial service interruption.

CVSS severity3.1
Low
EPSS probability0.94%
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 Text 12.1.0.2, 12.2.0.1, 18c, and 19c allows remote authenticated users to interrupt the component. The affected operation inside Oracle Text is not publicly identified; Oracle states that detailed security-analysis information is not disclosed. Exploitation requires Create Session privilege and Oracle Net access, has high complexity, and is bounded to a partial service interruption.

The record

CVE
CVE-2021-2045
Published
Jan 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
Oracle Text
Classifications
T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 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=12.1.0.2
  2. Affected versionversion=12.2.0.1
  3. Affected versionversion=18c
  4. Affected versionversion=19c

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · Oracle Textversion=12.1.0.2; version=12.2.0.1; version=18c; version=19c

Published CVSS scores

3.1Oracle CorporationCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

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
Privilegesauthenticated
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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