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Vulnerability Assessment

Weakness
CWE
CWE-434
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.

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Impact

CVSS score of 8.7 (HIGH). Attack characteristics: network attack vector, low complexity, low 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.
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

Dangerous File Upload vulnerabilities allow upload of malicious scripts. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, 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

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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. Dangerous File Upload vulnerabilities allow upload of malicious scripts. Affected products: ABB ASPECT - Enterprise v3.08.02; NEXUS Series v3.08.02; MATRIX Series v3.08.02 Affected products include: Abb Aspect-Ent-12 Firmware, Abb Aspect-Ent-2 Firmware, Abb Aspect-Ent-256 Firmware, Abb Aspect-Ent-96 Firmware, Abb Nexus-2128 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (ch) PRIMARY 8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Primary rating from Vendor (ch) · only source for this CVE.

CVSS VectorVendor: ch

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
Low
Subsequent system: Integrity
Low
Subsequent system: Availability
Low

DescriptionCVE.org

Dangerous File Upload vulnerabilities allow upload of malicious scripts. Affected products:

ABB ASPECT - Enterprise v3.08.02; NEXUS Series v3.08.02; MATRIX Series v3.08.02

Threat Intelligence Overview

EPSS Score
0.6%
Top 56% exploitable
Data Quality
2 sources
Confidence: Low
NVD 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 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
No
Human Impact· derived
Medium

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious File Upload HIGH

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

Affected Products (CPE)CVE.org

cpe:2.3:o:abb:aspect-ent-12_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:aspect-ent-2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:aspect-ent-256_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:aspect-ent-96_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-2128_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-2128-a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-2128-f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-2128-g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-264_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-264-a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-264-f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-264-g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-3-2128_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:nexus-3-264_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:matrix-11_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:matrix-216_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:matrix-232_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:matrix-264_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:abb:matrix-296_firmware:*:*:*:*:*:*:*:*

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References

Advisories & patches
ADVISORY https://search.abb.com/library/Download.aspx?DocumentID=9AKK108469A7497&LanguageCode=en&DocumentPartId=&Action=Launch

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