CVE-2021-32756

Arbitrary eval through MiqExpression

HIGH
8.8
CVSS Score
Published: July 21, 2021 at 06:45 PM UTC
Updated: June 17, 2026 at 03:53 AM UTC
1 product affected across 1 vendorManageIQ

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

ManageIQ is an open-source management platform. In versions prior to jansa-4, kasparov-2, and lasker-1, there is a flaw in the MiqExpression module of ManageIQ where a low privilege user could enter a crafted Ruby string which would be evaluated. Successful exploitation will allow an attacker to execute arbitrary code with root privileges on the host system. There are patches for this issue in releases named jansa-4, kasparov-2, and lasker-1. If possible, restrict users, via RBAC, to only the part of the application that they need access to. While MiqExpression is widely used throughout the product, restricting users can limit the surface of the attack.

Affected

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

Affected range stops below jansa-4, so it looks safe — our inference, not a vendor statement
Affected range stops below kasparov-2, so it looks safe — our inference, not a vendor statement
Affected range stops below lasker-1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

8.8HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74CWE-94

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