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CVE Record

CVE-2020-2915: Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching, CacheStore,...

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching, CacheStore, Invocation). Supported versions that are affected are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CriticalCVSS 9.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2020-2915 is a critical Oracle Coherence flaw that can let an unauthenticated network attacker take over Coherence. The affected versions are specifically listed by Oracle/CVE. Business risk is high where Coherence is reachable over IIOP or T3 from untrusted networks.

Executive priority

Treat this as urgent for any reachable Oracle Coherence deployment. The flaw enables unauthenticated takeover with full CIA impact. Prioritize patch validation and network exposure reduction, especially for systems reachable outside tightly controlled application tiers.

Technical view

The issue affects Oracle Coherence Caching, CacheStore, and Invocation components in versions 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0. It is network exploitable over IIOP or T3 without privileges or user interaction, with CVSS 9.8 and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is most likely in Oracle Fusion Middleware or application environments running Oracle Coherence where IIOP or T3 is reachable. Internet or broad internal network access materially increases urgency. The source bundle does not identify other affected products beyond Oracle Coherence.

Exploitation context

The CVE states the vulnerability is easily exploitable by an unauthenticated attacker with network access via IIOP or T3. The provided data does not show CISA KEV listing or cited evidence of active exploitation, so active exploitation should not be assumed.

Researcher notes

The official description provides impact, affected versions, vectors, and protocols, but not low-level root cause, exploit details, or explicit workaround text. Avoid assuming exploitation in the wild without KEV or another cited source. Validate both version exposure and protocol reachability.

Mitigation direction

  • Inventory Oracle Coherence deployments and confirm whether affected versions are present.
  • Apply Oracle Critical Patch Update guidance for CVE-2020-2915.
  • Restrict IIOP and T3 network access to trusted systems only.
  • Review Oracle guidance for version-specific upgrade or patch requirements.
  • Prioritize externally reachable or broadly reachable internal Coherence services.

Validation and detection

  • Check deployed Oracle Coherence versions against the affected version list.
  • Identify systems exposing IIOP or T3 to untrusted networks.
  • Verify Oracle CPU remediation has been applied where applicable.
  • Confirm network controls limit Coherence protocol access.
  • Document any affected unpatched instances with compensating controls.
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.

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CVE-2020-2915 mapping review

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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
9.8CVSS 3.0CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

9.8Critical
CVSS 3.0 vector shape for CVE-2020-2915Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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 CorporationCoherence3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0Listed
Weakness

CWE details

No CWE listed

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