Security readout for executives and security teams
Plain-English summary
A logged-in user of IBM Jazz Reporting Service Report Builder might access sensitive information outside their assigned privileges. This is not a system takeover issue, but it can expose restricted project or reporting data.
Executive priority
Treat as a targeted data exposure risk. Prioritize remediation where Jazz Reporting Service contains sensitive engineering, operational, or customer reporting data.
Technical view
CVE-2018-1639 affects IBM Jazz Reporting Service Report Builder versions 5.0 through 5.0.2 and 6.0 through 6.0.6. It is a network-accessible, low-privilege authenticated information disclosure issue with CVSS 3.0 score 4.3.
Likely exposure
Exposure is limited to organizations running the affected IBM Jazz Reporting Service versions with Report Builder accessible to authenticated users.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires an authenticated user and could disclose information beyond assigned privileges.
Researcher notes
The source bundle identifies the affected product and versions but does not include detailed exploit mechanics, CWE mapping, or fixed version names. Avoid assuming broader IBM product exposure.
Mitigation direction
- Identify any Jazz Reporting Service deployments and their exact versions.
- Review IBM advisory guidance for the official fix or supported upgrade path.
- Restrict Report Builder access to users with a business need.
- Review reporting permissions for excessive or stale user access.
Validation and detection
- Confirm whether versions 5.0-5.0.2 or 6.0-6.0.6 are deployed.
- Verify Report Builder is not exposed to unnecessary user populations.
- Check audit logs for unusual report access by low-privilege users.
- Validate remediation against IBM's advisory after applying vendor 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.
CVE-2018-1639 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:N/AC:L/AV:N/C:L/I:N/PR:L/S:U/UI:N/E:U/RC:C/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/A:N/AC:L/AV:N/C:L/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/A:N/AC:L/AV:N/C:L/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/docview.wss?uid=ibm10731727CVE reference · x_refsource_CONFIRM
- ibm-jazz-cve20181639-info-disc(144579)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.