Auth bypass in Opensearch Observability

CVE-2024-39901

OpenSearch Observability is collection of plugins and applications that visualize data-driven events. An issue in the OpenSearch observability plugins allows unintended access to private tenant resources like notebooks. The system did not properly check if the user was the resource author when accessing resources in a private tenant, leading to potential data being revealed. The patches are included in OpenSearch 2.14.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-39901: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-39901?
CVE-2024-39901 is a medium-severity vulnerability in Opensearch Observability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.2/10. Published 2024-07-09.
How severe is CVE-2024-39901?
Medium severity. CVSS v3 base score is 4.2 out of 10.
Is CVE-2024-39901 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.