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CVE Record

CVE-2020-5015: IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0 through 5.3.6.2 could...

IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0 through 5.3.6.2 could allow a remote attacker to cause a denial of service by sending malformed UDP requests. IBM X-Force ID: 193486.

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Certain IBM Elastic Storage System and Elastic Storage Server releases can be knocked offline by malformed UDP traffic. The reported impact is denial of service only: no source states data theft or code execution. For organizations using these IBM storage platforms, the business concern is storage availability and operational disruption.

Executive priority

Treat as a high-priority availability issue for affected IBM storage environments. Prioritize systems supporting critical workloads or reachable across broad networks. The absence of cited active exploitation lowers emergency urgency, but storage downtime can still create material business impact.

Technical view

CVE-2020-5015 affects IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0 through 5.3.6.2. A remote unauthenticated attacker could send malformed UDP requests causing denial of service. CVSS 3.0 is 7.5, network attack vector, low complexity, no privileges or user interaction, availability high impact.

Likely exposure

Exposure is limited to organizations running the named IBM storage products and affected versions. Risk increases where affected UDP services are reachable from untrusted networks, broad internal networks, or poorly segmented environments.

Exploitation context

The provided sources do not indicate active exploitation, and the CVE is not listed as CISA KEV in the bundle. IBM X-Force tracks the issue as ID 193486. Evidence supports remote denial of service risk, not compromise of confidentiality or integrity.

Researcher notes

The bundle names malformed UDP requests but does not include protocol specifics, affected service details, exploit artifacts, or fixed versions. Validation should focus on asset/version confirmation and network exposure review, while remediation should follow IBM’s linked advisories.

Mitigation direction

  • Identify affected IBM storage systems and release levels.
  • Review IBM support advisories for vendor-approved remediation.
  • Apply IBM-published fixes or upgrade guidance after change testing.
  • Limit unnecessary UDP reachability using existing segmentation policy.
  • Escalate to IBM support if remediation path is unclear.

Validation and detection

  • Inventory IBM Elastic Storage System and Elastic Storage Server versions.
  • Confirm whether affected versions match the listed vulnerable ranges.
  • Review network paths to relevant UDP-exposed services.
  • Check IBM advisory status against deployed release levels.
  • Document residual availability risk for systems awaiting remediation.
Prepared
Confidence
high
Sources
5

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-2020-5015 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/S:U/AC:L/C:N/A:H/UI:N/I:N/PR:N/RL:O/E:U/RC:C

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
4Source 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 3.0HighCVSS:3.0/AV:N/S:U/AC:L/C:N/A:H/UI:N/I:N/PR:N/RL:O/E:U/RC:C3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.5High
CVSS 3.0 vector shape for CVE-2020-5015Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/S:U/AC:L/C:N/A:H/UI:N/I:N/PR:N/RL:O/E:U/RC:C

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
IBMElastic Storage Server5.3.0, 6.0.0, 6.0.1.2, 5.3.6.2Listed
Weakness

CWE details

No CWE listed

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