CVE-2021-2337Network attack vector

Authenticated takeover of XML database component

Published Jul 20, 2021 · Updated Sep 26, 2024

Oracle Database 12.1.0.2, 12.2.0.1, and 19c allow remote authenticated users to take over Oracle XML DB through Oracle Net. Oracle has not published the flawed code path or the operation it performs on attacker-supplied input. Exploitation requires both Create Any Procedure and Create Public Synonym privileges; successful attacks compromise XML DB confidentiality, integrity, and availability.

CVSS severity7.2
High
EPSS probability1.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Oracle Database 12.1.0.2, 12.2.0.1, and 19c allow remote authenticated users to take over Oracle XML DB through Oracle Net. Oracle has not published the flawed code path or the operation it performs on attacker-supplied input. Exploitation requires both Create Any Procedure and Create Public Synonym privileges; successful attacks compromise XML DB confidentiality, integrity, and availability.

The record

CVE
CVE-2021-2337
Published
Jul 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
Oracle Database
Classifications
T1210
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 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?

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  1. Affected versionversion=12.1.0.2
  2. Affected versionversion=12.2.0.1
  3. Affected versionversion=19c

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · Oracle Databaseversion=12.1.0.2; version=12.2.0.1; version=19c

Published CVSS scores

7.2Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P

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

T1210Exploitation of Remote Services

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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