How severe is CVE-2021-31602?

CVE-2021-31602 has a CVSS score of 5.3/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2021-31602?

Affected package information for CVE-2021-31602 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2021-31602?

No fixed version has been published for CVE-2021-31602 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2021-31602 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2021-31602, including 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2021-31602?

CVE-2021-31602 has an EPSS (Exploit Prediction Scoring System) score of 92.8%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2021-31602?

CVE-2021-31602 is classified as Improper Authentication (CWE-287). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2021-31602?

CVE-2021-31602 affects hitachi vantara pentaho; hitachi vantara pentaho business intelligence server. Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2021-31602?

A Nuclei detection template exists for CVE-2021-31602, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2021-31602 published, and has it been updated?

CVE-2021-31602 was published on November 8, 2021 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2021-31602: Vantara Pentaho Improper Authentication (Medium…

EPSS Exploitation Probability

via FIRST.org ↗

92.8%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x. The Security Model has different layers of Access Control. One of these layers is the applicationContext security, which is defined in the applicationContext-spring-security.xml file. The default configuration allows an unauthenticated user with no previous knowledge of the platform settings to extract pieces of information without possessing valid credentials.

Affected Products

2 products · 2 configurations

Application

vantara pentahohitachi

≤ 9.1.0.0

range

Application

vantara pentaho business intelligence serverhitachi

≤ 7.1

range

Frequently Asked Questions

An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x. The Security Model has different layers of Access Control. One of these layers is the applicationContext security, which is defined in the applicationContext-spring-security.xml file. The default configuration allows an unauthenticated user with no previous knowledge of the platform settings to extract pieces of information without possessing valid credentials.

O3 Security · Impact-Aware SCA

Is CVE-2021-31602 in your stack?

O3 detects CVE-2021-31602 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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