Security readout for executives and security teams
Plain-English summary
IBM Cognos Analytics 11.0 and 11.1 can allow an authenticated user to place JavaScript into the web interface. If another user interacts with the affected UI, that script could run inside a trusted session and may expose credentials or alter what the user sees.
Executive priority
Treat as a medium-priority remediation item. It is not described as actively exploited, but it can affect trusted analytics sessions and credential confidentiality if vulnerable Cognos versions remain in use.
Technical view
This is a network-reachable stored or reflected cross-site scripting issue in IBM Cognos Analytics Web UI. The CVSS 3.0 score is 5.4, with low attack complexity, low privileges required, user interaction required, changed scope, and limited confidentiality and integrity impact.
Likely exposure
Exposure is most likely where IBM Cognos Analytics 11.0 or 11.1 is still deployed, especially if the web UI is reachable by many internal users or externally accessible authenticated users.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector includes high exploit-code maturity, but the provided evidence does not identify specific campaigns, public exploit steps, or observed abuse.
Researcher notes
Key constraints are PR:L and UI:R, so validation should focus on authenticated content paths and user-triggered rendering in Cognos Web UI. Do not assume unauthenticated compromise from the provided sources.
Mitigation direction
- Check IBM advisory 6451705 for the supported fix or upgrade path.
- Prioritize remediation for internet-facing or broadly accessible Cognos deployments.
- Restrict Cognos Web UI access to trusted networks and required users.
- Review NetApp advisory if Cognos is present in supported NetApp contexts.
- Monitor IBM X-Force entry 178506 for vendor-specific updates.
Validation and detection
- Inventory Cognos Analytics deployments and confirm 11.0 or 11.1 usage.
- Verify whether Cognos Web UI is exposed externally or to broad internal audiences.
- Confirm remediation status against IBM advisory 6451705.
- Review user roles that can create or alter Web UI content.
- Check security logs for suspicious script-like content in Cognos-managed fields.
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-2020-4354 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
- 5.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/I:L/S:C/PR:L/C:L/A:N/AC:L/AV:N/UI:R/RC:C/E:H/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/I:L/S:C/PR:L/C:L/A:N/AC:L/AV:N/UI:R/RC:C/E:H/RL:O2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/I:L/S:C/PR:L/C:L/A:N/AC:L/AV:N/UI:R/RC:C/E:H/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6451705CVE reference · x_refsource_CONFIRM
- ibm-cognos-cve20204354-xss (178506)CVE reference · vdb-entry, x_refsource_XF
- https://security.netapp.com/advisory/ntap-20210622-0004/CVE reference · x_refsource_CONFIRM
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.
