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CVE Record

CVE-2021-2433: Vulnerability in the Essbase Analytic Provider Services product of Oracle Essbase (component: Web Services).

Vulnerability in the Essbase Analytic Provider Services product of Oracle Essbase (component: Web Services). Supported versions that are affected are 11.1.2.4 and 21.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Essbase Analytic Provider Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Essbase Analytic Provider Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-2433 can let an unauthenticated network attacker crash Oracle Essbase Analytic Provider Services through HTTP. The business impact is service outage, not data theft or system takeover based on supplied sources. Organizations using affected Essbase APS versions should treat this as a high-priority availability risk.

Executive priority

Prioritize this as a high availability issue for Essbase-dependent finance, planning, or analytics operations. The known impact is denial of service, so urgency should track business dependence and external reachability.

Technical view

Oracle identifies this as a Web Services vulnerability in Essbase Analytic Provider Services affecting supported versions 11.1.2.4 and 21.2. CVSS 3.1 is 7.5: network exploitable, low complexity, no privileges, no user interaction, availability high, confidentiality and integrity none.

Likely exposure

Exposure is likely where Oracle Hyperion/Essbase Analytic Provider Services 11.1.2.4 or 21.2 is deployed and reachable over HTTP. Risk increases if APS Web Services are accessible from untrusted networks or internet-facing paths.

Exploitation context

The supplied bundle does not show CISA KEV listing or active exploitation evidence. Oracle describes the flaw as easily exploitable by an unauthenticated attacker with network access via HTTP, resulting in hang or repeatable crash of Essbase APS.

Researcher notes

No CWE, root cause, or exploit detail is provided in the bundle. Do not assume confidentiality or integrity impact. Focus validation on affected versions, HTTP exposure, patch state, and whether compensating network controls reduce unauthenticated reachability.

Mitigation direction

  • Review Oracle’s July 2021 Critical Patch Update guidance for CVE-2021-2433.
  • Apply applicable Oracle Essbase or Hyperion APS vendor patches or updates.
  • Restrict HTTP access to APS Web Services to trusted network paths.
  • Monitor APS for hangs, repeated crashes, and availability degradation.
  • Prioritize remediation for internet-exposed or business-critical Essbase environments.

Validation and detection

  • Inventory Essbase Analytic Provider Services deployments and versions.
  • Confirm whether versions 11.1.2.4 or 21.2 are present.
  • Verify Oracle July 2021 CPU remediation status for affected systems.
  • Check whether APS Web Services are reachable from untrusted networks.
  • Review operational logs for repeated APS crashes or hangs.
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

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CVE-2021-2433 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
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2021-2433Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 CorporationHyperion Analytic Provider Services11.1.2.4, 21.2Listed
Weakness

CWE details

No CWE listed

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