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CVE Record

CVE-2021-2253: Vulnerability in the Oracle Advanced Supply Chain Planning product of Oracle Supply Chain (component: Core).

Vulnerability in the Oracle Advanced Supply Chain Planning product of Oracle Supply Chain (component: Core). Supported versions that are affected are 12.1 and 12.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Advanced Supply Chain Planning. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Advanced Supply Chain Planning accessible data as well as unauthorized access to critical data or complete access to all Oracle Advanced Supply Chain Planning accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

CriticalCVSS 9.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This is a critical Oracle Advanced Supply Chain Planning flaw. An unauthenticated attacker who can reach the service over HTTP could read or change critical planning data. The main business risk is loss of confidentiality and integrity in supply-chain planning information, not service outage.

Executive priority

Treat this as urgent for any exposed ASCP environment. Prioritize inventory, network restriction, and Oracle CPU remediation because the vulnerability can compromise critical planning data without credentials.

Technical view

CVE-2021-2253 affects Oracle Advanced Supply Chain Planning versions 12.1 and 12.2, component Core. Oracle describes it as easily exploitable over HTTP with no privileges or user interaction. Successful exploitation can allow unauthorized creation, deletion, modification, or access to critical or complete ASCP-accessible data.

Likely exposure

Exposure is most likely where Oracle Advanced Supply Chain Planning 12.1 or 12.2 is deployed and reachable over HTTP, especially from untrusted networks. The bundle does not identify other affected Oracle products or versions.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation evidence. Risk remains high because exploitation requires network access only, no authentication, low complexity, and no user interaction.

Researcher notes

The record provides impact, vector, affected versions, and Oracle advisory linkage, but not root cause, CWE, or exploit details. Avoid assuming exploit availability or additional affected modules without vendor evidence.

Mitigation direction

  • Identify all Oracle Advanced Supply Chain Planning 12.1 and 12.2 deployments.
  • Review Oracle's April 2021 Critical Patch Update for the applicable remediation.
  • Apply Oracle's relevant CPU or later vendor-supported security update.
  • Restrict HTTP access to trusted networks until remediation is confirmed.
  • Monitor ASCP data changes and access logs for unauthorized activity.

Validation and detection

  • Confirm installed ASCP versions and whether 12.1 or 12.2 is present.
  • Verify the Oracle April 2021 CPU remediation is applied.
  • Check whether ASCP HTTP endpoints are reachable from untrusted networks.
  • Review logs for unauthenticated access patterns or unexpected data changes.
  • Validate integrity of critical supply-chain planning data after patching.
Prepared
Confidence
medium
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

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CVE-2021-2253 mapping review

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

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.1 (3.1)
Known Exploited
No
Published

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

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
9.1CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.1Critical
CVSS 3.1 vector shape for CVE-2021-2253Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 CorporationAdvanced Supply Chain Planning12.1, 12.2Listed
Weakness

CWE details

No CWE listed

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