LiveActive security incident?Get immediate response
CVE Record

CVE-2021-2155: Vulnerability in the Oracle One-to-One Fulfillment product of Oracle E-Business Suite (component: Documents).

Vulnerability in the Oracle One-to-One Fulfillment product of Oracle E-Business Suite (component: Documents). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle One-to-One Fulfillment. 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 Oracle One-to-One Fulfillment accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).

MediumCVSS 4.3Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-2155 is an Oracle E-Business Suite issue in One-to-One Fulfillment Documents. An unauthenticated HTTP attacker could cause unauthorized changes to some accessible data, but the attack requires another person to interact. The published impact is limited to integrity, not data disclosure or downtime.

Executive priority

Treat as a scheduled remediation item unless the affected E-Business Suite service is broadly exposed or supports sensitive business workflows. The issue can alter some data, but public evidence provided here does not support active exploitation or major confidentiality impact.

Technical view

Affected supported versions are Oracle One-to-One Fulfillment 12.1.1-12.1.3 and 12.2.3-12.2.10. CVSS 3.1 is 4.3: network reachable, low complexity, no privileges, user interaction required, unchanged scope, low integrity impact, no confidentiality or availability impact.

Likely exposure

Exposure is likely only where Oracle E-Business Suite includes Oracle One-to-One Fulfillment with the Documents component on affected versions and reachable via HTTP. Systems not running that product/component, or already remediated under Oracle guidance, are not indicated as affected by the provided sources.

Exploitation context

The source bundle does not show CISA KEV listing, public exploitation, or exploit details. Oracle describes the issue as easily exploitable over HTTP without authentication, but requiring human interaction by someone other than the attacker.

Researcher notes

No CWE is listed in the bundle. The CVSS vector narrows impact to low integrity change with required user interaction. The public sources provided do not identify vulnerable parameters, proof-of-concept material, or exploit activity, so validation should focus on product presence, version range, exposure, and patch status.

Mitigation direction

  • Check Oracle April 2021 CPU guidance for the relevant E-Business Suite patches.
  • Prioritize affected internet-reachable or broadly accessible E-Business Suite instances.
  • Limit HTTP access to Oracle E-Business Suite where business operations allow.
  • Review user-facing workflows that interact with One-to-One Fulfillment Documents.
  • Monitor Oracle advisories for any revised remediation or affected-version guidance.

Validation and detection

  • Inventory Oracle E-Business Suite instances and enabled One-to-One Fulfillment components.
  • Confirm whether versions fall within 12.1.1-12.1.3 or 12.2.3-12.2.10.
  • Verify patch status against Oracle Critical Patch Update April 2021.
  • Identify HTTP exposure paths to the affected application.
  • Review change records for unexpected One-to-One Fulfillment data modifications.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2021-2155 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/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
4.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.3Medium
CVSS 3.1 vector shape for CVE-2021-2155Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/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 CorporationOne-to-One Fulfillment12.1.1-12.1.3, 12.2.3-12.2.10Listed
Weakness

CWE details

No CWE listed

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