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CVE Record

CVE-2020-14754: Vulnerability in the Oracle Solaris product of Oracle Systems (component: Filesystem).

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Filesystem). The supported version that is affected is 11. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 5.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

MediumCVSS 5.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-14754 is a local denial-of-service vulnerability in Oracle Solaris 11 filesystem handling. A low-privileged user with logon access could cause the operating system to hang or crash repeatedly. The business risk is service interruption, not data theft, based on the supplied CVSS and description.

Executive priority

Treat this as a moderate operational resilience issue. It is unlikely to enable data compromise by itself, but a local user or compromised account could disrupt Solaris-based services. Patch through the normal Solaris maintenance process, faster for critical shared systems.

Technical view

Oracle rates this Solaris 11 filesystem vulnerability CVSS 3.1 5.5: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. Exploitation requires local authenticated access and affects availability only. Successful attack can produce a complete denial of service through hangs or repeatable crashes.

Likely exposure

Exposure is most relevant on Oracle Solaris 11 systems that allow local logon by low-privileged users, administrators, service accounts, contractors, or shared operations staff. Internet-facing exposure is not indicated by the CVSS vector because attack access is local.

Exploitation context

The supplied sources do not show active exploitation, and the CVE is not marked KEV. The issue is described as easily exploitable after local logon, so insider misuse, compromised local accounts, or multi-tenant Solaris environments are the main concern.

Researcher notes

The available evidence identifies Oracle Solaris 11 filesystem as affected and confirms local, low-complexity, low-privilege availability impact. No CWE, exploit method, affected subcomponent detail, or explicit workaround is included in the provided bundle beyond the Oracle CPU reference.

Mitigation direction

  • Review Oracle's October 2020 CPU guidance for Solaris 11 and apply applicable vendor updates.
  • Prioritize shared, production, or business-critical Solaris 11 hosts with many local users.
  • Restrict interactive logon rights to required users and service accounts only.
  • Monitor affected hosts for unexplained hangs, crashes, and repeated availability failures.

Validation and detection

  • Inventory Oracle Solaris 11 systems and classify business criticality.
  • Compare installed Solaris maintenance level against Oracle's October 2020 CPU guidance.
  • Review which low-privileged accounts can log on locally to Solaris hosts.
  • Check incident records for recurring Solaris hangs or crashes after October 2020.
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-2020-14754 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/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
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2020-14754Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/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 CorporationSolaris Operating System11Listed
Weakness

CWE details

No CWE listed

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