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CVE Record

CVE-2021-2158: Vulnerability in the Hyperion Financial Management product of Oracle Hyperion (component: Task Automation).

Vulnerability in the Hyperion Financial Management product of Oracle Hyperion (component: Task Automation). The supported version that is affected is 11.1.2.4. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Hyperion Financial Management. 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 Hyperion Financial Management accessible data as well as unauthorized read access to a subset of Hyperion Financial Management accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Hyperion Financial Management. CVSS 3.1 Base Score 3.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L).

LowCVSS 3.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2021-2158 affects Oracle Hyperion Financial Management 11.1.2.4 in the Task Automation component. A successful attack could let a highly privileged user read or change some financial-management data, or cause partial service disruption. The business urgency is lower because exploitation is difficult and requires user interaction.

Executive priority

Treat as a low-priority remediation item unless HFM 11.1.2.4 is exposed beyond trusted users or supports critical finance operations. Track patch status through normal Oracle maintenance processes.

Technical view

The CVSS 3.1 vector is AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L, scoring 3.9. The issue is network-accessible via HTTP, requires high privileges and interaction by another person, and can affect confidentiality, integrity, and availability in limited scope.

Likely exposure

Exposure is most likely in environments still running Oracle Hyperion Financial Management 11.1.2.4, particularly where HTTP access is available to privileged users. The source bundle does not identify other affected versions or products.

Exploitation context

The source bundle does not report active exploitation, and this CVE is not marked KEV. Oracle’s description says exploitation is difficult, requires high privileges, and needs human interaction from someone other than the attacker.

Researcher notes

Evidence is limited to the CVE record and Oracle CPU reference. Do not assume broader product impact, public exploit availability, or specific patch mechanics beyond Oracle’s advisory guidance.

Mitigation direction

  • Identify all Oracle Hyperion Financial Management 11.1.2.4 instances.
  • Review Oracle April 2021 CPU guidance for applicable fixes or upgrade requirements.
  • Restrict HTTP access to trusted administrative networks where business permits.
  • Review high-privilege accounts and remove unnecessary access.
  • Monitor HFM logs for unusual task automation activity or partial service disruption.

Validation and detection

  • Confirm installed HFM version and Task Automation component presence.
  • Verify Oracle April 2021 CPU remediation status in patch records.
  • Check whether HFM HTTP endpoints are reachable from untrusted networks.
  • Review audit logs for unauthorized reads, updates, inserts, deletes, or service disruption.
  • Validate that privileged access is limited to current operational need.
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-2021-2158 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
Low
CVSS
3.9 (3.1)
Known Exploited
No
Published

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

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
3.9CVSS 3.1LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L0.53.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

3.9Low
CVSS 3.1 vector shape for CVE-2021-2158Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 Financial Management11.1.2.4Listed
Weakness

CWE details

No CWE listed

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