Security readout for executives and security teams
Plain-English summary
This IBM Tivoli Business Service Manager issue can let locally stored web pages be read by another user on the same system. It is an information disclosure flaw with limited confidentiality impact, not a remote takeover based on the provided sources.
Executive priority
Treat as a moderate-priority legacy-platform exposure. Prioritize if TBSM is shared by multiple users, hosted on multi-user systems, or contains sensitive operational pages.
Technical view
CVE-2020-4344 affects IBM Tivoli Business Service Manager 6.2.0.0 through 6.2.0.2 IF 1. The CVSS 3.0 vector is local, low complexity, no privileges, no user interaction, with low confidentiality impact and no integrity or availability impact.
Likely exposure
Exposure is most likely where IBM Tivoli Business Service Manager 6.2.0.x remains installed and multiple local users can access the same host or stored application files.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The CVSS vector indicates local access is required, so risk depends heavily on host access controls and user separation.
Researcher notes
Public detail is limited: no CWE, no root-cause detail, and no exploit evidence were provided. The safest assessment is localized information disclosure in affected IBM TBSM versions, with remediation anchored to IBM guidance.
Mitigation direction
- Identify all IBM Tivoli Business Service Manager 6.2.0.x deployments.
- Review IBM support advisory 6332437 for vendor remediation guidance.
- Apply IBM-specified fixes or upgrades for affected versions.
- Restrict local system access to trusted administrators only.
- Review file permissions for locally stored web pages.
Validation and detection
- Confirm exact TBSM version and interim fix level.
- Check whether the IBM advisory fix is installed.
- Verify local users cannot read other users' stored pages.
- Review host accounts with access to the TBSM system.
- Document any unsupported or unpatched TBSM 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-2020-4344 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/PR:N/UI:N/C:L/I:N/AV:L/S:U/AC:L/A:N/RC:C/RL:O/E:U
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:N/UI:N/C:L/I:N/AV:L/S:U/AC:L/A:N/RC:C/RL:O/E:U2.51.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4MediumVector: CVSS:3.0/PR:N/UI:N/C:L/I:N/AV:L/S:U/AC:L/A:N/RC:C/RL:O/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6332437CVE reference · x_refsource_CONFIRM
- ibm-tbsm-cve20204344-info-disc (178247)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.