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Fusioncompute CVE-2021-37105

HIGH
Unrestricted Upload of File with Dangerous Type (CWE-434)
2021-09-28 psirt@huawei.com
7.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK

2 techniques across 2 tactics: Command and Control, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

There is an improper file upload control vulnerability in FusionCompute 6.5.0, 6.5.1 and 8.0.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. There is an improper file upload control vulnerability in FusionCompute 6.5.0, 6.5.1 and 8.0.0. Due to the improper verification of file to be uploaded and does not strictly restrict the file access path, attackers may upload malicious files to the device, resulting in the service abnormal. Affected products include: Huawei Fusioncompute.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

There is an improper file upload control vulnerability in FusionCompute 6.5.0, 6.5.1 and 8.0.0. Due to the improper verification of file to be uploaded and does not strictly restrict the file access path, attackers may upload malicious files to the device, resulting in the service abnormal.

Threat Intelligence Overview

EPSS Score
0.6%
Top 54% exploitable
Data Quality
2 sources
Confidence: Low

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 HIGH
CISA KEV No
Public POC No
EPSS 0.6%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Affected Products (CPE)NVD

cpe:2.3:a:huawei:fusioncompute:6.5.0:*:*:*:*:*:*:*
cpe:2.3:a:huawei:fusioncompute:6.5.1:*:*:*:*:*:*:*
cpe:2.3:a:huawei:fusioncompute:8.0.0:*:*:*:*:*:*:*
CVE-2020-9233 CRITICAL
9.1 Aug 17

FusionCompute 8.0.0 have an insufficient authentication vulnerability. Rated critical severity (CVSS 9.1), this vulnerab

CVE-2021-37102 HIGH
8.8 Nov 23

There is a command injection vulnerability in CMA service module of FusionCompute product when processing the default ce

CVE-2020-9242 HIGH
8.8 Aug 17

FusionCompute 8.0.0 have a command injection vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remote

CVE-2020-9114 HIGH
7.8 Dec 01

FusionCompute versions 6.3.0, 6.3.1, 6.5.0, 6.5.1 and 8.0.0 have a privilege escalation vulnerability. Rated high severi

CVE-2020-9078 HIGH
7.8 Aug 10

FusionCompute 8.0.0 have local privilege escalation vulnerability. Rated high severity (CVSS 7.8), this vulnerability is

CVE-2020-9228 HIGH
7.5 Aug 14

FusionCompute 8.0.0 has an information disclosure vulnerability. Rated high severity (CVSS 7.5), this vulnerability is r

CVE-2021-37106 HIGH
7.2 Sep 28

There is a command injection vulnerability in CMA service module of FusionCompute 6.3.0, 6.3.1, 6.5.0 and 8.0.0 when pro

CVE-2020-9116 HIGH
7.2 Dec 01

Huawei FusionCompute versions 6.5.1 and 8.0.0 have a command injection vulnerability. Rated high severity (CVSS 7.2), th

CVE-2020-9248 MEDIUM
6.7 Jul 31

Huawei FusionComput 8.0.0 have an improper authorization vulnerability. Rated medium severity (CVSS 6.7), this vulnerabi

CVE-2016-6827 MEDIUM
6.5 Sep 26

Huawei FusionCompute before V100R005C10CP7002 stores cleartext AES keys in a file, which allows remote authenticated use

CVE-2016-4057 MEDIUM
6.5 Jun 30

Huawei FusionCompute before V100R005C10SPC700 allows remote authenticated users to cause a denial of service (resource c

CVE-2017-8158 MEDIUM
6.5 Nov 22

FusionCompute V100R005C00 and V100R005C10 have an improper authorization vulnerability due to improper permission settin

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