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CVE Record

CVE-2020-4350: IBM Spectrum Scale 5.0.0.0 through 5.0.4.4 uses weaker than expected cryptographic algorithms that could al...

IBM Spectrum Scale 5.0.0.0 through 5.0.4.4 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 178424.

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-4350 is a cryptography weakness in IBM Spectrum Scale. Affected versions may use weaker-than-expected algorithms, creating a risk that highly sensitive information could be decrypted. The public data rates this as medium severity, but confidentiality impact is high if affected systems protect regulated or business-critical data.

Executive priority

Schedule remediation through normal vulnerability management, with faster handling for systems protecting sensitive data. The issue is not known exploited from the supplied evidence, but the potential confidentiality impact justifies timely vendor-guided action.

Technical view

IBM Spectrum Scale versions 5.0.0.0 through 5.0.4.4 are affected. The CVSS 3.0 vector is 5.9, network-accessible, no privileges required, no user interaction, high attack complexity, and high confidentiality impact only. No CWE is listed in the supplied sources.

Likely exposure

Exposure is limited to IBM Spectrum Scale deployments running versions 5.0.0.0 through 5.0.4.4, especially systems storing or transmitting highly sensitive information. The bundle does not identify affected configurations beyond those versions.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. CVSS exploit maturity is listed as unproven, and attack complexity is high. Treat this as a confidentiality risk requiring version verification and vendor-guided remediation, not as evidence of ongoing compromise.

Researcher notes

Do not infer more than the sources state. Public details describe weak cryptographic algorithms and potential decryption of sensitive information, but not an exploit path, affected cipher specifics, or exact fixed versions in the provided bundle.

Mitigation direction

  • Inventory IBM Spectrum Scale and identify versions 5.0.0.0 through 5.0.4.4.
  • Review IBM advisory node 6214480 for supported fixes or mitigations.
  • Prioritize remediation where Spectrum Scale protects sensitive or regulated data.
  • Document compensating controls if vendor remediation cannot be applied promptly.

Validation and detection

  • Confirm installed IBM Spectrum Scale versions across all clusters and nodes.
  • Check whether any affected deployment handles highly sensitive information.
  • Review IBM advisory and X-Force entry for remediation status.
  • Verify remediation through package version records or vendor-supported checks.
Prepared
Confidence
medium
Sources
4

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-2020-4350 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.9 (3.0)
Known Exploited
No
Published

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

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
3Source 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
5.9CVSS 3.0MediumCVSS:3.0/C:H/AV:N/AC:H/UI:N/S:U/I:N/A:N/PR:N/RC:C/E:U/RL:O2.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.9Medium
CVSS 3.0 vector shape for CVE-2020-4350Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMSpectrum Scale5.0.0, 5.0.4.4Listed
Weakness

CWE details

No CWE listed

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