Security readout for executives and security teams
Plain-English summary
IBM Security Guardium 11.2 may allow weak passwords by default. This does not directly break the product, but it lowers the effort needed to compromise user accounts if password controls were left unchanged.
Executive priority
Treat this as a configuration-hardening priority, not an emergency. Address it promptly for Guardium systems protecting sensitive database activity data.
Technical view
CVE-2021-20418 affects IBM Security Guardium 11.2. The issue is an insecure default password policy: strong passwords are not required by default. CVSS 3.0 score is 4.7 with network attack vector, low complexity, no privileges required, user interaction required, and low confidentiality impact.
Likely exposure
Exposure is likely limited to IBM Security Guardium 11.2 deployments where default or weak password policy settings remain in use.
Exploitation context
No provided source reports active exploitation. The CVE is not listed as KEV, and the CVSS exploit maturity signal is unproven.
Researcher notes
The public bundle does not name a CWE, fixed version, or specific patch level. Analysis should stay scoped to IBM Security Guardium 11.2 and weak default password enforcement.
Mitigation direction
- Review IBM advisory and X-Force entry for vendor-approved remediation.
- Enforce strong password requirements for all Guardium user accounts.
- Reset or rotate weak, shared, or default credentials.
- Monitor Guardium authentication logs for suspicious login behavior.
Validation and detection
- Inventory Guardium deployments and confirm whether version 11.2 is present.
- Review configured password policy for minimum strength requirements.
- Audit local Guardium accounts for weak or unchanged credentials.
- Confirm monitoring covers failed and unusual authentication attempts.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-20418 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
- 4.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:N/I:N/PR:N/AV:N/AC:L/C:L/S:C/UI:R/RC:C/RL:O/E:U
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/A:N/I:N/PR:N/AV:N/AC:L/C:L/S:C/UI:R/RC:C/RL:O/E:U2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.7MediumVector: CVSS:3.0/A:N/I:N/PR:N/AV:N/AC:L/C:L/S:C/UI:R/RC:C/RL:O/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6479899CVE reference · x_refsource_CONFIRM
- ibm-guardium-cve202120418-info-disc (196279)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.