Security readout for executives and security teams
Plain-English summary
IBM Security Verify Information Queue 1.0.6 and 1.0.7 have a low-severity denial-of-service issue. A network user could use an invalid cookie value in a way that may stop future logins. The sources do not report data theft or data modification impact.
Executive priority
Handle through normal vulnerability management unless this product is critical to access operations or broadly network-reachable. Business risk is availability disruption, not confirmed compromise.
Technical view
The vulnerability affects IBM Security Verify Information Queue versions 1.0.6 and 1.0.7. CVSS 3.0 score is 2.6, with adjacent-network exposure, high attack complexity, required user interaction, no privileges, unchanged scope, and only low availability impact. IBM X-Force tracks it as 196078.
Likely exposure
Exposure is limited to organizations running IBM Security Verify Information Queue 1.0.6 or 1.0.7 where network users can reach the affected login/session handling surface.
Exploitation context
The provided bundle does not show CISA KEV listing or active exploitation evidence. The CVSS exploit maturity is listed as unproven, and the impact is limited to login availability disruption.
Researcher notes
Evidence identifies an invalid cookie value causing denial of service that could prevent future logins. No CWE is provided, and the source bundle does not include exploit details or a specific fixed version.
Mitigation direction
- Check IBM advisory 6414363 for the official fix or supported upgrade path.
- Prioritize remediation for internet-adjacent or broadly reachable deployments.
- Restrict network access to the service where operationally possible.
- Monitor authentication failures and repeated login disruption reports.
Validation and detection
- Inventory IBM Security Verify Information Queue deployments and record exact versions.
- Confirm whether versions 1.0.6 or 1.0.7 are present.
- Review IBM X-Force 196078 and advisory 6414363 for remediation status.
- Check authentication logs for unusual login failure patterns.
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-2021-20404 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
- Low
- CVSS
- 2.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:L/UI:R/C:N/PR:N/S:U/I:N/AV:A/AC:H/E:U/RC:C/RL:O
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:L/UI:R/C:N/PR:N/S:U/I:N/AV:A/AC:H/E:U/RC:C/RL:O1.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
2.6LowVector: CVSS:3.0/A:L/UI:R/C:N/PR:N/S:U/I:N/AV:A/AC:H/E:U/RC:C/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6414363CVE reference · x_refsource_CONFIRM
- ibm-sviq-cve202120404-dos (196078)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.