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Thinmanager Thinserver CVE-2024-7987

HIGH
Unrestricted Upload of File with Dangerous Type (CWE-434)
2024-08-26 PSIRT@rockwellautomation.com
8.5
CVSS 4.0 · Vendor: rockwellautomation
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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 8.5 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A local attacker with access to the system could upload malicious files that can be executed on the server.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

A remote code execution vulnerability exists in the Rockwell Automation ThinManager® ThinServer™ that allows a threat actor to execute arbitrary code with System privileges. Rated high severity (CVSS 8.5), this vulnerability is 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. A remote code execution vulnerability exists in the Rockwell Automation ThinManager® ThinServer™ that allows a threat actor to execute arbitrary code with System privileges. To exploit this vulnerability and a threat actor must abuse the ThinServer™ service by creating a junction and use it to upload arbitrary files. Affected products include: Rockwellautomation Thinmanager Thinserver.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (rockwellautomation) PRIMARY 8.5 HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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

CVSS VectorVendor: rockwellautomation

Attack Vector
Local
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
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

A remote code execution vulnerability exists in the Rockwell Automation ThinManager® ThinServer™ that allows a threat actor to execute arbitrary code with System privileges. To exploit this vulnerability and a threat actor must abuse the ThinServer™ service by creating a junction and use it to upload arbitrary files.

Threat Intelligence Overview

EPSS Score
0.3%
Top 76% 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 0.3%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +42
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.

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:a:rockwellautomation:thinmanager_thinserver:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:thinmanager_thinserver:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:thinmanager_thinserver:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:thinmanager_thinserver:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:thinmanager_thinserver:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:thinmanager_thinserver:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:thinmanager_thinserver:*:*:*:*:*:*:*:*

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