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CVE Record

CVE-2020-4191: IBM Security Guardium 11.1 uses weaker than expected cryptographic algorithms that could allow an attacker...

IBM Security Guardium 11.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 174852.

MediumCVSS 4.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Security Guardium 11.1 used weaker-than-expected cryptography, creating a risk that highly sensitive information could be decrypted. The issue is medium severity because exploitation requires local access, high privileges, and high complexity, but confidentiality impact is high if those conditions are met.

Executive priority

Treat as a scheduled medium-priority remediation. It is not presented as actively exploited or remotely reachable, but the potential exposure of highly sensitive information warrants prompt validation and vendor-guided remediation.

Technical view

CVE-2020-4191 affects IBM Security Guardium 11.1. The CVSS 3.0 vector is AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N, indicating local, high-complexity exploitation by a highly privileged attacker with high confidentiality impact and no integrity or availability impact stated.

Likely exposure

Exposure is limited to environments running IBM Security Guardium 11.1. Risk is most relevant where privileged local access to Guardium systems is possible and sensitive data is stored, processed, or protected by the affected deployment.

Exploitation context

The source bundle does not indicate known active exploitation, and the CVSS exploit maturity is unproven. The vulnerability is not listed as CISA KEV. The available evidence supports a constrained exploitation scenario requiring local access and high privileges.

Researcher notes

No CWE is provided in the source bundle. Analysis should stay anchored to IBM Security Guardium 11.1, X-Force ID 174852, and the CVSS vector. Do not broaden scope beyond weak cryptography and confidentiality exposure without vendor evidence.

Mitigation direction

  • Identify any IBM Security Guardium 11.1 deployments.
  • Follow IBM’s advisory for CVE-2020-4191 and X-Force ID 174852.
  • Apply the IBM-listed remediation or supported upgrade path.
  • Restrict privileged local access to Guardium systems.
  • Prioritize systems handling highly sensitive data.

Validation and detection

  • Confirm deployed IBM Security Guardium versions.
  • Check IBM advisory and X-Force entry for remediation status.
  • Verify the applied Guardium fix level after maintenance.
  • Review privileged local access to affected Guardium hosts.
  • Document whether Guardium 11.1 remains in production.
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-2020-4191 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.1 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/PR:H/UI:N/A:N/S:U/AC:H/I:N/AV:L/C:H/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
4.1CVSS 3.0MediumCVSS:3.0/PR:H/UI:N/A:N/S:U/AC:H/I:N/AV:L/C:H/RL:O/RC:C/E:U0.53.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.1Medium
CVSS 3.0 vector shape for CVE-2020-4191Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/PR:H/UI:N/A:N/S:U/AC:H/I:N/AV:L/C:H/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
IBMSecurity Guardium11.1Listed
Weakness

CWE details

No CWE listed

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