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CVE Record

CVE-2020-4831: IBM DataPower Gateway 10.0.0.0 through 10.0.1.0 uses weaker than expected cryptographic algorithms that cou...

IBM DataPower Gateway 10.0.0.0 through 10.0.1.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 189965.

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM DataPower Gateway versions 10.0.0.0 through 10.0.1.0 may use weaker cryptography than expected. A network attacker could potentially decrypt highly sensitive information, but the source data rates exploitation difficulty as high and does not show active exploitation.

Executive priority

Schedule remediation in the normal vulnerability program, with higher priority for gateways protecting regulated, customer, or credential data. Urgency rises if affected gateways are internet-facing or process especially sensitive traffic.

Technical view

CVE-2020-4831 is a confidentiality-only cryptographic weakness in IBM DataPower Gateway 10.0.0.0 through 10.0.1.0. CVSS 3.0 is 5.9 with network access, no privileges, no user interaction, high attack complexity, high confidentiality impact, and no integrity or availability impact.

Likely exposure

Exposure is limited to IBM DataPower Gateway deployments running 10.0.0.0 through 10.0.1.0. The bundle does not identify affected CPEs, deployment modes, or whether later versions are affected.

Exploitation context

The source bundle does not cite active exploitation, and the CVE is not listed as KEV. CVSS exploit maturity is unproven, while attack complexity is high. Treat this as sensitive-data risk, not confirmed incident activity.

Researcher notes

Evidence is limited to IBM and CVE metadata. No CWE is supplied. The advisory describes weak cryptographic algorithms but the bundle does not name the algorithm, protocol path, fixed version, or configuration workaround.

Mitigation direction

  • Identify any IBM DataPower Gateway 10.0.0.0 or 10.0.1.0 instances.
  • Review IBM advisory node 6398744 for official remediation guidance.
  • Check IBM X-Force ID 189965 for vendor status and fix details.
  • Prioritize vendor-supported upgrade or remediation for affected gateways handling sensitive data.
  • Limit unnecessary network exposure to affected gateways while remediation is planned.

Validation and detection

  • Confirm product and version from appliance inventory or management records.
  • Map affected gateways to applications carrying highly sensitive information.
  • Review IBM advisory applicability against deployed versions and configurations.
  • Do not rely on exploit testing; validate by version and vendor guidance.
  • Document compensating controls if remediation cannot be completed immediately.
Prepared
Confidence
high
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-2020-4831 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/AV:N/C:H/I:N/A:N/PR:N/AC:H/S:U/UI:N/RL:O/RC:C/E:U

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/AV:N/C:H/I:N/A:N/PR:N/AC:H/S:U/UI:N/RL:O/RC:C/E:U2.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.9Medium
CVSS 3.0 vector shape for CVE-2020-4831Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMDataPower Gateway10.0.0.0, 10.0.1.0Listed
Weakness

CWE details

No CWE listed

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