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CVE Record

CVE-2021-2358: Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Rest interfaces...

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Rest interfaces for Access Mgr). The supported version that is affected is 11.1.2.3.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTPS to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

MediumCVSS 4.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-2358 affects Oracle Access Manager 11.1.2.3.0. A highly privileged attacker who can reach the service over HTTPS could access critical data handled by Oracle Access Manager. The business risk is sensitive identity and access-management data exposure, not system takeover, based on the provided CVSS impacts.

Executive priority

Prioritize this for environments still running Oracle Access Manager 11.1.2.3.0. It is not a broad unauthenticated emergency, but it can expose critical identity-management data if a privileged account or admin network path is compromised.

Technical view

The flaw is in Oracle Access Manager, Oracle Fusion Middleware, component Rest interfaces for Access Mgr. CVSS 3.1 is 4.9 with AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. It is network-reachable over HTTPS, requires high privileges, needs no user interaction, and impacts confidentiality only.

Likely exposure

Exposure is limited to organizations running Oracle Access Manager 11.1.2.3.0, especially where REST interfaces are reachable by privileged users over HTTPS. The provided sources do not identify other affected versions or products.

Exploitation context

The provided sources do not report active exploitation, and the CVE is not listed as KEV in the supplied bundle. Exploitation requires an already high-privileged attacker with network access, which lowers broad internet risk but matters in insider, compromised-admin, or lateral-movement scenarios.

Researcher notes

No CWE is provided in the supplied record. Analysis should focus on confidentiality exposure in Access Manager REST interfaces under high-privilege conditions. Evidence is limited to the CVE description, CVSS vector, Oracle CPU reference, affected version, and supplied KEV status.

Mitigation direction

  • Review Oracle's July 2021 Critical Patch Update for official remediation guidance.
  • Confirm whether Oracle Access Manager 11.1.2.3.0 is still deployed.
  • Restrict HTTPS access to Access Manager REST interfaces to trusted administrative networks.
  • Review privileged account access and remove unnecessary administrative permissions.
  • Monitor Oracle guidance if the environment cannot be patched promptly.

Validation and detection

  • Inventory Oracle Access Manager deployments and confirm exact version numbers.
  • Verify whether Access Manager REST interfaces are reachable over HTTPS.
  • Check whether the July 2021 Oracle CPU or later applicable guidance is applied.
  • Review logs for unusual privileged access to Access Manager REST interfaces.
  • Validate that only required administrators can reach and use those interfaces.
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-2021-2358 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
Medium
CVSS
4.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/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
4.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N1.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.9Medium
CVSS 3.1 vector shape for CVE-2021-2358Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/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 CorporationAccess Manager11.1.2.3.0Listed
Weakness

CWE details

No CWE listed

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