Security readout for executives and security teams
Plain-English summary
IBM Guardium Data Encryption versions 3.0.0.2 and 4.0.0.4 have a missing-authentication flaw. Some functionality that should require a provable user identity, or that can consume significant resources, is reachable without authentication. Impact is rated medium because cited CVSS indicates low confidentiality and integrity impact and no availability impact.
Executive priority
Treat this as a moderate-priority exposure issue. It affects a security product protecting sensitive data, is network-reachable, and needs no authentication. Address exposed deployments first, but current sources do not support emergency prioritization based on active exploitation.
Technical view
CVE-2021-20474 is a network-reachable, unauthenticated missing-authentication issue in IBM GDE. CVSS 3.0 vector AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N scores 6.5. The sources do not identify a CWE, affected component path, or exploit primitive beyond unauthenticated access to protected or resource-consuming functionality.
Likely exposure
Exposure is likely limited to organizations running IBM Guardium Data Encryption 3.0.0.2 or 4.0.0.4. Risk increases where GDE management or service interfaces are reachable from untrusted networks. The bundle does not identify other affected versions or products.
Exploitation context
The source bundle does not show CISA KEV listing or cite active exploitation. The CVSS vector indicates low attack complexity, network access, no required privileges, and no user interaction, but exploit maturity is listed as unproven.
Researcher notes
Evidence is sparse. Public data names affected GDE versions and the missing-authentication class, with CVSS 6.5. It does not describe the vulnerable endpoint, request shape, CWE, proof of concept, or confirmed exploitation. Avoid assuming impact beyond low confidentiality and integrity effects.
Mitigation direction
- Check IBM advisory guidance for the supported fix or upgrade path.
- Prioritize remediation for internet-accessible or broadly reachable GDE interfaces.
- Restrict GDE access to trusted administrative networks where possible.
- Review authentication controls around GDE management and service functionality.
- Monitor for unusual unauthenticated access attempts or resource consumption.
Validation and detection
- Inventory IBM Guardium Data Encryption deployments and confirm installed versions.
- Flag systems running GDE 3.0.0.2 or 4.0.0.4.
- Confirm whether GDE interfaces are reachable from untrusted networks.
- Review IBM X-Force and support pages for remediation status.
- Document compensating network controls until vendor remediation is applied.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2021-20474 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/S:U/A:N/AV:N/PR:N/I:L/UI:N/C:L/RL:O/E:U/RC:C
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AC:L/S:U/A:N/AV:N/PR:N/I:L/UI:N/C:L/RL:O/E:U/RC:C3.92.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.5MediumVector: CVSS:3.0/AC:L/S:U/A:N/AV:N/PR:N/I:L/UI:N/C:L/RL:O/E:U/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6469407CVE reference · x_refsource_CONFIRM
- ibm-gde-cve202120474-missing-auth (196945)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.