Home/CVE/Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server. Supported
CVE

CVE-2021-2335

Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server. Supported

Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 and 19c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database - Enterprise Edition Data Redaction.

Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Database - Enterprise Edition Data Redaction accessible data. CVSS 3.1 Base Score 3.5 (Integrity impacts).

CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N).

LOW · CVSS 3.5 EPSS 0.00212
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
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Affected Products & Versions

1
oracle databaseall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPotential SAM Database Dump
producthighVeeamBackup Database Credentials Dump Via Sqlcmd.EXE
producthighSuspicious Active Directory Database Snapshot Via ADExplorer
producthighSuspicious Shim Database Patching Activity
producthighPotential Persistence Via Shim Database In Uncommon Location
productmediumRDS Database Security Group Modification
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Scoring & Timeline

3.5
LOW · CVSS v3.1 · secalert_us@oracle.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Jul 2021 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
oracle-cpuoracle-cpu-Oracle-Database-Enterprise-Edition-5--CVE-2021-2335
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.oracle.com/security-alerts/cpujul2021.htmlPatchVendor Advisory
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