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CVE Record

CVE-2021-2328: Vulnerability in the Oracle Text component of Oracle Database Server.

Vulnerability in the Oracle Text 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 high privileged attacker having Create Any Procedure, Alter Any Table privilege with network access via Oracle Net to compromise Oracle Text. Successful attacks of this vulnerability can result in takeover of Oracle Text. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

HighCVSS 7.2Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-2328 affects Oracle Text in Oracle Database Server. An attacker who already has powerful database privileges and Oracle Net access could compromise Oracle Text, with potential confidentiality, integrity, and availability impact. This is serious for exposed or loosely governed databases, but it is not described as a low-privilege internet exploit.

Executive priority

Treat as high priority for regulated, internet-adjacent, or shared Oracle database environments. Prioritize patch verification and privilege review, because successful compromise could affect sensitive data and database service availability.

Technical view

Oracle reports affected supported versions as 12.1.0.2, 12.2.0.1, and 19c. CVSS 3.1 is 7.2: network attack vector, low complexity, high privileges required, no user interaction, unchanged scope, and high C/I/A impact. Required privileges are Create Any Procedure and Alter Any Table.

Likely exposure

Exposure is most likely in Oracle Database environments running the affected versions with Oracle Text present, Oracle Net reachable, and accounts granted Create Any Procedure plus Alter Any Table privileges.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires an already high-privileged attacker with network access via Oracle Net, so insider, compromised DBA-like account, or lateral movement scenarios matter most.

Researcher notes

Evidence is limited to the CVE record and Oracle CPU reference. The key scoping factor is privilege: this is not described as unauthenticated, but the impact after privileged access is full Oracle Text compromise.

Mitigation direction

  • Review Oracle July 2021 Critical Patch Update guidance for applicable fixes.
  • Patch or upgrade affected Oracle Database versions per Oracle support guidance.
  • Restrict Oracle Net access to trusted administrative networks.
  • Minimize and audit Create Any Procedure and Alter Any Table grants.
  • Monitor privileged DDL and Oracle Text-related administrative activity.

Validation and detection

  • Inventory Oracle Database versions 12.1.0.2, 12.2.0.1, and 19c.
  • Confirm whether Oracle Text is installed or used on those systems.
  • Identify accounts with both required high-risk privileges.
  • Verify applicable Oracle CPU patches are installed.
  • Review Oracle Net exposure from untrusted network segments.
Prepared
Confidence
high
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-2328 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.2 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.2CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.2High
CVSS 3.1 vector shape for CVE-2021-2328Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationText12.1.0.2, 12.2.0.1, 19cListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.