CVE-2021-37940

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-07 · updated 2026-06-17
Weakness: CWE-918

Description

An information disclosure via GET request server-side request forgery vulnerability was discovered with the Workplace Search Github Enterprise Server integration. Using this vulnerability, a malicious Workplace Search admin could use the GHES integration to view hosts that might not be publicly accessible.

Affected products

Elastic Enterprise Search: before 7.16.0 — fixed in 7.16.0

How to fix

Upgrade to a fixed version: Elastic Enterprise Search 7.16.0. Check the vendor advisory for mitigations.

References

https://discuss.elastic.co/t/enterprise-search-7-16-0-security-update/291146
https://discuss.elastic.co/t/enterprise-search-7-16-0-security-update/291146

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