Security readout for executives and security teams
Plain-English summary
Pentaho Business Analytics Server could let an authenticated user read files outside the intended template directory through the Pentaho Analyzer plugin. The main business risk is exposure of sensitive server-side files. The flaw is high severity, but the provided sources do not show confirmed active exploitation.
Executive priority
Prioritize remediation for internet-accessible or broadly reachable Pentaho deployments, especially where business reports may sit near credentials, configuration, or sensitive data. This is not listed as KEV in the bundle, but authenticated file exposure can still create material data-risk and follow-on compromise paths.
Technical view
CVE-2021-45448 is a CWE-22 path traversal issue in the Pentaho Analyzer templates service endpoint. User-controlled path input is not properly neutralized, allowing traversal outside a restricted parent directory. CVSS 3.1 is 7.1: network exploitable, low privileges required, no user interaction, high confidentiality impact, and low integrity impact.
Likely exposure
Organizations are exposed if they run Hitachi Vantara Pentaho Business Analytics Server versions before 9.2.0.2 or 8.3.0.25 with the Pentaho Analyzer plugin enabled. The source bundle lists the affected product but contains limited detail on deployment defaults.
Exploitation context
The CVE record indicates exploitation requires network access and low privileges, with no user interaction. CISA KEV status is false in the bundle, and no cited source confirms active exploitation. Treat this as a credible authenticated file exposure risk, not as proven in-the-wild exploitation.
Researcher notes
The source bundle supports path traversal classification, CVSS vector, fixed-version thresholds, and vendor advisory reference. It does not include endpoint names, exploit examples, proof-of-concept status, or detailed patch notes. Avoid assuming unauthenticated access or confirmed exploitation without additional vendor or threat-intelligence evidence.
Mitigation direction
- Upgrade Pentaho Business Analytics Server to 9.2.0.2, 8.3.0.25, or later as applicable.
- Review Hitachi Vantara advisory guidance for the exact supported upgrade path.
- Identify whether the Pentaho Analyzer plugin is enabled on exposed servers.
- Restrict access to Pentaho administrative and analytics interfaces while remediation is pending.
- Review server-side file access and application logs for suspicious template endpoint activity.
Validation and detection
- Inventory Pentaho Business Analytics Server instances and record exact versions.
- Confirm whether the Pentaho Analyzer plugin is installed and enabled.
- Compare installed versions against 9.2.0.2 and 8.3.0.25 fixed thresholds.
- Review access logs for unusual template endpoint requests or failed resource access.
- After upgrade, verify the reported server version and plugin status.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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-2021-45448 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/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:H/I:L/A:N2.84.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://support.pentaho.com/hc/en-us/articles/6744743458701CVE reference
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.