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Vulnerability record · CVE-2021-31917 · published 21 September 2021

CVE-2021-31917: Infinispan-server-rest improper authentication vulnerability

Infinispan · Infinispan Server Rest

A flaw was found in Red Hat DataGrid 8.x (8.0.0, 8.0.1, 8.1.0 and 8.1.1) and Infinispan (10.0.0 through 12.0.0). An attacker could bypass authentication on all REST endpoints when DIGEST is used as the authentication method. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

9.8 CVSS 3.1 Critical EPSS 1.3% · top 29.7% CWE-287 · Improper authentication
9.8CVSS 3.1 base score, v2 7.5
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A flaw was found in Red Hat DataGrid 8.x (8.0.0, 8.0.1, 8.1.0 and 8.1.1) and Infinispan (10.0.0 through 12.0.0). An attacker could bypass authentication on all REST endpoints when DIGEST is used as the authentication method. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/cve-2021-31917 Vendor Advisory
https://access.redhat.com/security/cve/cve-2021-31917 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-31917), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.