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CVE Record

CVE-2021-2189: Vulnerability in the Oracle Sales Offline product of Oracle E-Business Suite (component: Template).

Vulnerability in the Oracle Sales Offline product of Oracle E-Business Suite (component: Template). 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 Sales Offline. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Sales Offline. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-2189 is a denial-of-service issue in Oracle Sales Offline within Oracle E-Business Suite. An unauthenticated attacker who can reach the service over HTTP could make the component hang or repeatedly crash. The business risk is service disruption, not data theft or data modification based on the provided sources.

Executive priority

Treat as a high-priority availability risk for affected Oracle E-Business Suite environments. It should be remediated promptly where Sales Offline supports business operations or is reachable over HTTP.

Technical view

Oracle describes an easily exploitable Template component vulnerability affecting Sales Offline versions 12.1.1-12.1.3 and 12.2.3-12.2.10. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating remote unauthenticated availability impact only.

Likely exposure

Exposure is limited to organizations running Oracle E-Business Suite Sales Offline in the listed affected versions, especially where HTTP access is reachable from untrusted networks.

Exploitation context

The source bundle does not show KEV listing or active exploitation evidence. Oracle rates exploitation as easy and unauthenticated over HTTP, with successful attacks causing complete denial of service.

Researcher notes

No CWE is provided in the bundle. The documented impact is availability only, with no confidentiality or integrity impact. Avoid assuming broader E-Business Suite compromise beyond Oracle Sales Offline unless vendor evidence supports it.

Mitigation direction

  • Review Oracle's April 2021 Critical Patch Update guidance for this CVE.
  • Apply the relevant Oracle E-Business Suite patches per vendor instructions.
  • Restrict HTTP access to Sales Offline from untrusted networks.
  • Prioritize affected internet-reachable systems before internal-only deployments.
  • Monitor for repeated hangs or crashes in Oracle Sales Offline.

Validation and detection

  • Inventory Oracle E-Business Suite deployments and Sales Offline usage.
  • Confirm whether versions 12.1.1-12.1.3 or 12.2.3-12.2.10 are present.
  • Check whether Sales Offline HTTP endpoints are externally reachable.
  • Verify patch status against Oracle's April 2021 CPU.
  • Review availability logs for repeated crashes or hangs.
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-2021-2189 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
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2021-2189Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 CorporationSales Offline12.1.1-12.1.3, 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.