Security readout for executives and security teams
Plain-English summary
IBM Security Verify Information Queue 1.0.6 and 1.0.7 have an output-encoding flaw that could let an unauthenticated actor perform unauthorized activities after user interaction. The published impact is limited to low integrity impact, with no confidentiality or availability impact stated.
Executive priority
Handle through normal vulnerability management unless this product is exposed to untrusted users or supports sensitive workflows. The business urgency is low because published impact is limited and exploitation is unproven, but affected versions should still be remediated.
Technical view
The CVSS 3.0 vector is 3.1 low: network reachable, no privileges required, high attack complexity, user interaction required, unchanged scope, low integrity impact only. The source bundle does not identify a CWE or provide deeper implementation details beyond improper output encoding.
Likely exposure
Exposure is limited to organizations running IBM Security Verify Information Queue 1.0.6 or 1.0.7. The bundle does not list affected CPEs or other IBM products. Internet reachability may matter, but exploitation also requires user interaction and high complexity.
Exploitation context
The source bundle marks this CVE as not in CISA KEV. The CVSS vector lists exploit maturity as unproven. No cited source in the bundle states active exploitation, public exploit availability, or observed attacks.
Researcher notes
Evidence is sparse. The public record attributes the issue to improper output encoding and unauthorized activities, but does not provide affected components, exploit mechanics, or exact remediation text in the supplied bundle. Avoid expanding scope beyond versions 1.0.6 and 1.0.7.
Mitigation direction
- Inventory IBM Security Verify Information Queue deployments and versions.
- If running 1.0.6 or 1.0.7, review IBM advisory guidance.
- Apply the official IBM remediation if applicable to your deployment.
- Limit access to the affected service where business operations allow.
- Monitor IBM and X-Force pages for updated remediation details.
Validation and detection
- Confirm whether IBM Security Verify Information Queue is deployed.
- Record the installed version and compare against 1.0.6 and 1.0.7.
- Check whether IBM’s official remediation has been applied.
- Review web or application logs for unusual integrity-related activity.
- Verify compensating access controls around exposed instances.
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-2021-20405 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
- 3.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/S:U/PR:N/C:N/UI:R/A:N/AV:N/I:L/AC:H/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/S:U/PR:N/C:N/UI:R/A:N/AV:N/I:L/AC:H/RL:O/E:U/RC:C1.61.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.1LowVector: CVSS:3.0/S:U/PR:N/C:N/UI:R/A:N/AV:N/I:L/AC:H/RL:O/E:U/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6414367CVE reference · x_refsource_CONFIRM
- ibm-sviq-cve202120405-gain-access (196183)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.
