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CVE Record

CVE-2021-2137: Vulnerability in the Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Poli...

Vulnerability in the Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Policy Framework). Supported versions that are affected are 13.4.0.0 and 13.5.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Enterprise Manager Base Platform. Successful attacks of this vulnerability can result in takeover of Enterprise Manager Base Platform. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects Oracle Enterprise Manager Base Platform and can let a low-privileged attacker with HTTP network access take over the platform. For executives, the concern is control of a management system, not just a single application bug.

Executive priority

Prioritize remediation because successful exploitation can take over Oracle Enterprise Manager Base Platform. Treat internet-exposed or broadly reachable deployments as urgent; otherwise handle through expedited enterprise patch governance.

Technical view

CVE-2021-2137 affects Oracle Enterprise Manager Base Platform 13.4.0.0 and 13.5.0.0, Policy Framework component. CVSS 3.1 is 8.8: network-accessible, low complexity, low privileges required, no user interaction, with high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to organizations running Oracle Enterprise Manager Base Platform versions 13.4.0.0 or 13.5.0.0. Risk is higher where Enterprise Manager is reachable over HTTP from broad internal networks or externally accessible paths.

Exploitation context

The source bundle says the issue is easily exploitable over HTTP by a low-privileged attacker. It does not show CISA KEV listing or cite active exploitation, public exploit availability, or observed attacks.

Researcher notes

No CWE, root-cause detail, or exploit artifact is provided in the bundle. Analysis should stay focused on version inventory, network reachability, privilege boundaries, and Oracle advisory confirmation rather than speculative exploit mechanics.

Mitigation direction

  • Identify all Oracle Enterprise Manager Base Platform instances and versions.
  • Review Oracle's October 2021 Critical Patch Update guidance for CVE-2021-2137.
  • Apply the relevant Oracle-supported patch or upgrade path for affected deployments.
  • Restrict HTTP access to Enterprise Manager to trusted administrative networks.
  • Review low-privileged accounts with access to Enterprise Manager.

Validation and detection

  • Confirm whether Enterprise Manager Base Platform is version 13.4.0.0 or 13.5.0.0.
  • Verify patch status against Oracle's October 2021 CPU documentation.
  • Check that Enterprise Manager HTTP access is not internet-exposed.
  • Review access logs for unexpected low-privileged account activity.
  • Confirm administrative network segmentation controls are enforced.
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-2021-2137 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
8.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2021-2137Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 CorporationEnterprise Manager Base Platform13.4.0.0, 13.5.0.0Listed
Weakness

CWE details

No CWE listed

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