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CVE Record

CVE-2020-14787: Vulnerability in the Oracle Communications Diameter Signaling Router (DSR) product of Oracle Communications...

Vulnerability in the Oracle Communications Diameter Signaling Router (DSR) product of Oracle Communications (component: User Interface). Supported versions that are affected are 8.0.0.0-8.4.0.5. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Communications Diameter Signaling Router (DSR). Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Communications Diameter Signaling Router (DSR), attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Communications Diameter Signaling Router (DSR) accessible data as well as unauthorized read access to a subset of Oracle Communications Diameter Signaling Router (DSR) accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-14787 affects Oracle Communications Diameter Signaling Router, a telecom signaling product. A low-privileged attacker with HTTP network access could, with another user’s interaction, read or change some DSR-accessible data. The impact is limited confidentiality and integrity loss, but the affected system can be operationally important.

Executive priority

Treat as a prioritized maintenance item, especially in telecom environments where DSR supports critical signaling operations. It is not rated critical and active exploitation is not evidenced here, but affected exposed systems should be remediated through Oracle guidance.

Technical view

Oracle lists this as a User Interface vulnerability in DSR versions 8.0.0.0 through 8.4.0.5. The CVSS vector is AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, meaning network reachable, low complexity, low privilege, user interaction required, changed scope, and no availability impact.

Likely exposure

Exposure is most likely where affected Oracle DSR versions are still deployed and their HTTP user interface is reachable by low-privileged authenticated users or adjacent network users.

Exploitation context

The source bundle does not show CISA KEV inclusion or cited evidence of active exploitation. The vendor description requires human interaction by someone other than the attacker, so practical abuse depends on UI reachability, account access, and user behavior.

Researcher notes

No CWE is provided in the bundle, and the public description does not identify the precise UI flaw class. Avoid assuming XSS, CSRF, or authorization bypass without vendor detail. Validation should focus on version, exposure, privileges, and remediation state.

Mitigation direction

  • Review Oracle’s October 2020 CPU guidance for DSR fixes.
  • Apply Oracle-provided patches or supported upgrades for affected DSR versions.
  • Restrict HTTP UI access to trusted administrative networks.
  • Review low-privileged DSR accounts and remove unnecessary access.
  • Monitor DSR UI activity for unexpected data reads or changes.

Validation and detection

  • Inventory all Oracle DSR deployments and record exact versions.
  • Flag versions 8.0.0.0 through 8.4.0.5 as affected.
  • Confirm whether the DSR HTTP UI is network reachable.
  • Verify Oracle CPU remediation status for each affected instance.
  • Check whether low-privileged users can access the DSR UI.
Prepared
Confidence
medium
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-2020-14787 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2020-14787Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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 CorporationCommunications Diameter Signaling Router (DSR)8.0.0.0-8.4.0.5Listed
Weakness

CWE details

No CWE listed

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