Security readout for executives and security teams
Plain-English summary
IBM OpenPages GRC Platform 8.1 has a cross-site scripting flaw in its Web UI. A logged-in user could place JavaScript into the interface, potentially changing what another trusted user sees or exposing credentials within that session.
Executive priority
Treat as a moderate-priority application security issue. It can affect credential safety inside trusted sessions, but available evidence indicates authenticated access and user interaction are required.
Technical view
CVE-2020-4535 is a network-reachable XSS issue in IBM OpenPages GRC Platform 8.1. The CVSS 3.0 score is 5.4, with low privileges required, user interaction required, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running IBM OpenPages GRC Platform 8.1, especially where the Web UI is reachable by many internal users or external partners.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector requires an authenticated attacker and user interaction, which lowers urgency compared with unauthenticated remote compromise.
Researcher notes
Do not broaden affected scope beyond OpenPages GRC Platform 8.1 from these sources. The bundle provides no CWE, exploit details, or independent exploitation confirmation; validate using IBM and X-Force records.
Mitigation direction
- Check IBM advisory 6451243 for the supported fix or mitigation.
- Prioritize remediation for internet-facing or partner-accessible OpenPages portals.
- Limit OpenPages access to trusted users until vendor guidance is applied.
- Review OpenPages user permissions for unnecessary low-privilege accounts.
Validation and detection
- Confirm whether IBM OpenPages GRC Platform 8.1 is deployed.
- Verify the OpenPages Web UI exposure path and authentication boundaries.
- Check patch or remediation status against IBM advisory 6451243.
- Review vulnerability management records for CVE-2020-4535 coverage.
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-2020-4535 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/PR:L/S:C/I:L/C:L/AV:N/AC:L/A:N/UI:R/RL:O/RC:C/E:H
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/PR:L/S:C/I:L/C:L/AV:N/AC:L/A:N/UI:R/RL:O/RC:C/E:H2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/PR:L/S:C/I:L/C:L/AV:N/AC:L/A:N/UI:R/RL:O/RC:C/E:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6451243CVE reference · x_refsource_CONFIRM
- ibm-openpages-cve20204535-xss (182906)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.