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CVE Record

CVE-2021-20419: IBM Security Guardium 11.2 uses weaker than expected cryptographic algorithms that could allow an attacker...

IBM Security Guardium 11.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 196280.

MediumCVSS 6.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Security Guardium 11.2 used weaker cryptographic algorithms than expected. If an attacker can take advantage of that weakness, highly sensitive information could be decrypted. The source bundle does not name broader affected versions or a specific replacement algorithm.

Executive priority

Treat this as a moderate confidentiality risk. It is not shown as exploited, but Guardium protects sensitive security and database information, so affected 11.2 systems should be identified and brought under IBM guidance promptly.

Technical view

CVE-2021-20419 affects IBM Security Guardium 11.2. The CVSS 3.0 vector is network-accessible, unauthenticated, no user interaction, high attack complexity, scope changed, and high confidentiality impact only. Integrity and availability impacts are not identified in the provided sources.

Likely exposure

Exposure is limited by the provided evidence to IBM Security Guardium 11.2 deployments. Prioritize systems reachable over a network and those protecting or processing sensitive database monitoring, audit, or security data.

Exploitation context

The bundle does not support active exploitation. KEV is false, and the CVSS temporal vector marks exploit maturity as unproven. The risk is confidentiality-focused, with high attack complexity but no privileges or user interaction required.

Researcher notes

Evidence is narrow: IBM Security Guardium 11.2, weak cryptographic algorithms, potential decryption of highly sensitive information, IBM X-Force ID 196280. No CWE, exploit details, or exact remediation version are included in the provided bundle.

Mitigation direction

  • Identify any IBM Security Guardium 11.2 deployments.
  • Review IBM advisory guidance for the named CVE.
  • Apply IBM-provided fixes or mitigations where applicable.
  • Reduce network exposure to Guardium services where operationally feasible.
  • Prioritize systems handling highly sensitive monitored data.

Validation and detection

  • Confirm Guardium product version on each deployment.
  • Check whether IBM guidance for CVE-2021-20419 has been applied.
  • Review network reachability to Guardium services.
  • Assess whether sensitive data could be exposed through affected cryptographic use.
  • Document any compensating controls and remaining exposure.
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-2021-20419 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
6.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/S:C/I:N/AC:H/A:N/AV:N/PR:N/UI:N/C:H/E:U/RC:C/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
6.8CVSS 3.0MediumCVSS:3.0/S:C/I:N/AC:H/A:N/AV:N/PR:N/UI:N/C:H/E:U/RC:C/RL:O2.24Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.8Medium
CVSS 3.0 vector shape for CVE-2021-20419Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/S:C/I:N/AC:H/A:N/AV:N/PR:N/UI:N/C:H/E:U/RC:C/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
IBMSecurity Guardium11.2Listed
Weakness

CWE details

No CWE listed

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