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CVE-2021-31917

CRITICAL
9.8
CVSS Score
Published: September 21, 2021 at 10:33 AM UTC
Updated: June 17, 2026 at 03:52 AM UTC
3 products affected across 2 vendorsData GridInfinispan Server RestInfinispan

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Infinispan Server Rest· Infinispan
95%
10.0.0 ≤ v < 11.0.1212.0.0 ≤ v < 12.1.4
Affected range stops below 11.0.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.1.4, so it looks safe — our inference, not a vendor statement
Data Grid· Red Hatrpm
95%
v ≤ 12.0.08.0.08.0.18.1.08.1.1
Infinispan· Infinispan
60%
v ≤ 12.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://access.redhat.com/security/cve/cve-2021-31917

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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