Aion CVE-2025-52627

MEDIUM

Incorrect Permission Assignment for Critical Resource (CWE-732)

2026-02-03 psirt@hcl.com

Authentication Bypass Aion Hcltech

5.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-732 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V13 - Configuration Permission assignment review
Impact	CVSS 5.5 (MEDIUM). Attack vector: Physical. Complexity: High. Privileges required: Low. User interaction: Required. Exploitation no authentication required.
Exploit ScenarioDerived	An attacker without authentication could exploit this vulnerability to unintended modifications to critical system files, potentially increasing the ri.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Aion versions up to 2.0 is affected by incorrect permission assignment for critical resource (CVSS 5.5).

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Technical ContextAI · show details

This vulnerability (CWE-732: Incorrect Permission Assignment for Critical Resource) affects Aion. Root File System Not Mounted as Read-Only configuration vulnerability. This can allow unintended modifications to critical system files, potentially increasing the risk of system compromise or unauthorized changes.This issue affects AION: 2.0.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Physical

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

DescriptionCVE.org

Root File System Not Mounted as Read-Only configuration vulnerability. This can allow unintended modifications to critical system files, potentially increasing the risk of system compromise or unauthorized changes.This issue affects AION: 2.0.

Executive ViewAI

Why It Matters

CVE-2025-52627 presents moderate security risk, a incorrect permissions vulnerability rated CVSS 5.5. Attackers could gain access beyond their authorized level. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: manually tighten permissions on affected resources.

Threat Intelligence Overview

EPSS Score

0.0%

Top 89% exploitable

Data Quality

3 sources

Confidence: Low

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

No

Human Impact

Low

Priority Score

28

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +28

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:hcltech:aion:2.0:*:*:*:*:*:*:*

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Same weakness CWE-732 – Incorrect Permission Assignment for Critical Resource

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References

Advisories & patches

ADVISORY https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0127972

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