Security readout for executives and security teams
Plain-English summary
An authenticated user of IBM Cloud Pak for Security could obtain sensitive information by sending a specially crafted HTTP request. The issue is medium severity because it needs valid access and only affects confidentiality, not integrity or availability.
Executive priority
Treat as a targeted remediation item, not an emergency. Prioritize if CP4S is broadly accessible, has many users, or contains sensitive security operations data.
Technical view
CVE-2021-39089 is a CWE-200 information disclosure flaw in IBM Cloud Pak for Security 1.10.0.0 through 1.10.6.0. CVSS 3.1 is 4.3: network reachable, low complexity, low privileges required, no user interaction, unchanged scope, low confidentiality impact.
Likely exposure
Exposure is most likely where IBM Cloud Pak for Security versions 1.10.0.0 through 1.10.6.0 remain deployed and accessible to authenticated users. The supplied data does not identify other affected products or configurations.
Exploitation context
The source bundle says the flaw requires an authenticated user and a crafted HTTP request. CISA KEV status is false, and the supplied sources do not report active exploitation or public exploit availability.
Researcher notes
Evidence is limited to IBM and CVE metadata. The bundle does not include request details, patch version, workaround text, or exploit telemetry. Avoid assuming broader IBM Cloud Pak exposure beyond the named product and versions.
Mitigation direction
- Identify any IBM Cloud Pak for Security 1.10.0.0 through 1.10.6.0 deployments.
- Review IBM advisory 6856405 for vendor-approved fixes or mitigations.
- Apply IBM-supported updates or configuration changes when confirmed by vendor guidance.
- Restrict CP4S access to trusted authenticated users while remediation is assessed.
- Monitor authentication and HTTP access logs for unusual requests.
Validation and detection
- Confirm the deployed IBM Cloud Pak for Security version.
- Check whether the version falls within 1.10.0.0 through 1.10.6.0.
- Verify only approved users can authenticate to CP4S.
- Review logs for unexpected authenticated access to sensitive resources.
- Document remediation status against IBM advisory guidance.
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.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-39089 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6856405CVE reference · vendor-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/216387CVE reference · vdb-entry
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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.