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CVE Record

CVE-2021-2349: Vulnerability in the Hyperion Essbase Administration Services product of Oracle Essbase (component: EAS Con...

Vulnerability in the Hyperion Essbase Administration Services product of Oracle Essbase (component: EAS Console). 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 Hyperion Essbase Administration Services. While the vulnerability is in Hyperion Essbase Administration Services, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Hyperion Essbase Administration Services accessible data. CVSS 3.1 Base Score 8.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

HighCVSS 8.6Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-2349 can let an unauthenticated network attacker access critical data in Oracle Hyperion Essbase Administration Services through HTTP. Oracle lists affected supported versions as 11.1.2.4 and 21.2. The main business risk is confidentiality loss across data reachable by the EAS service, with possible impact beyond that component.

Executive priority

Treat as high priority if Essbase EAS is present. The issue is unauthenticated and network-reachable, with critical confidentiality impact. Prioritize patch confirmation and access restriction before routine maintenance windows if EAS is exposed.

Technical view

The vulnerability affects Oracle Essbase Hyperion Essbase Administration Services, EAS Console component. CVSS 3.1 is 8.6: AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N. Sources describe it as easily exploitable over HTTP without authentication, causing unauthorized access to critical or all EAS-accessible data. No CWE or root-cause detail is provided.

Likely exposure

Organizations running Hyperion Essbase Administration Services 11.1.2.4 or 21.2 are in scope, especially where EAS HTTP endpoints are reachable from broad internal networks or the internet.

Exploitation context

The supplied sources do not show CISA KEV listing or active exploitation. They do state unauthenticated, low-complexity network exploitation over HTTP, which makes exposed services urgent to review.

Researcher notes

Evidence is limited to product, component, affected versions, CVSS, and impact. Sources do not provide CWE, technical root cause, exploit details, or named workarounds beyond Oracle's CPU reference. Avoid assuming integrity or availability impact because the vector lists I:N/A:N.

Mitigation direction

  • Apply Oracle's July 2021 Critical Patch Update or later vendor-approved Essbase guidance.
  • Restrict EAS HTTP access to trusted administration networks only.
  • Remove internet exposure for Hyperion Essbase Administration Services.
  • Review whether unsupported or unpatched EAS versions remain in production.
  • Monitor EAS access logs for unusual unauthenticated access patterns.

Validation and detection

  • Inventory all Hyperion Essbase Administration Services deployments.
  • Confirm whether versions 11.1.2.4 or 21.2 are present.
  • Verify EAS HTTP endpoints are not publicly reachable.
  • Confirm Oracle CPU remediation is applied or vendor guidance is documented.
  • Review logs around exposed EAS endpoints for suspicious access.
Prepared
Confidence
high
Sources
3

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-2021-2349 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
8.6 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/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
8.6CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N3.94Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.6High
CVSS 3.1 vector shape for CVE-2021-2349Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/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 CorporationHyperion Essbase Administration 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.