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Vulnerability Assessment

Weakness
CWE
CWE-1287
ASVS 5.0
V2 - Validation and Business Logic Specified type validation
Impact

CVSS score of 9.4 (CRITICAL). Attack characteristics: adjacent network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived

Successful exploitation could compromise the critical-severity affected system.
Act Now Prioritize within 24-48h. Why: CRITICAL + active threat signals, no patch available.
No patch listed yet 19.0% exploitation probability (EPSS)

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AnalysisAI

Unauthorized file access in WEB Server in ABB ASPECT - Enterprise v3.08.01; NEXUS Series v3.08.01 ; MATRIX Series v3.08.01 allows Attacker to execute arbitrary code remotely. Rated critical severity (CVSS 9.4), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-1287. Unauthorized file access in WEB Server in ABB ASPECT - Enterprise v3.08.01; NEXUS Series v3.08.01 ; MATRIX Series v3.08.01 allows Attacker to execute arbitrary code remotely 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.

Severity by source

Vendor (ch) PRIMARY 9.4 CRITICAL
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/R:I/V:C/RE:H/U:Red

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

CVSS VectorVendor: ch

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

DescriptionCVE.org

Unauthorized file access in WEB Server in ABB ASPECT - Enterprise v3.08.01; NEXUS Series

v3.08.01

; MATRIX Series

v3.08.01 allows Attacker to execute arbitrary code remotely

Threat Intelligence Overview

EPSS Score
19.0%
Top 3% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS Exploit-DB

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 CRITICAL
CISA KEV No
Public POC Yes
EPSS 19.0%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + active threat signals, no patch available
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
Poc
System Exposure· derived
Controlled
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

86
Low Medium High Critical
KEV: 0
EPSS: +19
CVSS: +47
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

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&_ga=2.39956449.23035250.1719878527-141379670.1701144964 REF https://search.abb.com/library/Download.aspx?DocumentID=9AKK108469A7497&LanguageCode=en&DocumentPartId=&Action=Launch

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