CVE-2020-2731

Local data modification and service interruption

Published Jan 15, 2020 · Updated Sep 30, 2024

An undisclosed flaw in Core RDBMS in Oracle Database 12.1.0.2, 12.2.0.1, 18c, and 19c allows local users to alter data and interrupt service. Oracle has not published the affected function or the operation it performs incorrectly. Exploitation requires low-privileged local logon access and interaction by another person; successful attacks can update, insert, or delete some database data and partially interrupt Core RDBMS.

CVSS severity3.9
Low
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

An undisclosed flaw in Core RDBMS in Oracle Database 12.1.0.2, 12.2.0.1, 18c, and 19c allows local users to alter data and interrupt service. Oracle has not published the affected function or the operation it performs incorrectly. Exploitation requires low-privileged local logon access and interaction by another person; successful attacks can update, insert, or delete some database data and partially interrupt Core RDBMS.

The record

CVE
CVE-2020-2731
Published
Jan 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle Corporation
Product
Oracle Database
Classifications
T1204
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

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 vectorlocal
Required privilegesauthenticated

What is affected?

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

Published CVSS scores

3.3NIST NVDAV:L/AC:M/Au:N/C:N/I:P/A:P
3.9Oracle CorporationCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
3.9NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1204User Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo