Cyber Resilience

CVE-2021-31600

MediumPublic PoC

Published: 08 November 2021

Published
08 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0022 44.2th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31600 is a medium-severity Files or Directories Accessible to External Parties (CWE-552) vulnerability in Hitachi Vantara Pentaho. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 44.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x. They implement a series of web services using the SOAP protocol to allow scripting interaction with the backend server. An authenticated user (regardless…

more

of privileges) can list all valid usernames.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

hitachi
vantara pentaho
≤ 9.1.0.0
hitachi
vantara pentaho business intelligence server
≤ 7.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-552

Controls on authorized publication limit files and directories with nonpublic data from becoming accessible to external parties.

addresses: CWE-552

Controlling and documenting P2P file sharing prevents files and directories from being made accessible to external parties for unauthorized distribution.

addresses: CWE-552

Identifying and documenting file and directory locations allows restriction of access to external parties.

addresses: CWE-552

Protecting backup files ensures they are not accessible to external parties or unauthorized spheres.

addresses: CWE-552

Sanitizing equipment before off-site maintenance reduces the risk of files or directories containing sensitive data becoming accessible to external parties.

addresses: CWE-552

Policy restricts media access to authorized parties only, preventing exposure of resources to external or unauthorized actors.

addresses: CWE-552

Media access restrictions prevent files or directories from being accessible to external parties.

addresses: CWE-552

Employing and evaluating controls at documented alternate sites makes files and directories less likely to be accessible to external parties through physical or environmental weaknesses.

References