NEC EXPRESSCLUSTER X Transaction Server 0x32 File Read

EIP-2015-0022

An arbitrary file read vulnerability has been found in NEC EXPRESSCLUSTER X that can allow an attacker to read files off the target system. The Transaction Server (clptrnsv.exe) is a system service configured to utilize port 29002 by default to facilitate transactions such as sending and receiving licensing data. This vulnerability occurs during the processing of opcode 0x32, an attacker is able to introduce crafted data into the clptrnsv service to expose arbitrary paths through fopen, fseek, and fread.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0022
  • MITRE CVE: CVE-2021-20707

Vulnerability Metrics

  • CVSSv2 Score: 7.8

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.

NEC EXPRESSCLUSTER X Web Manager File Upload

EIP-2015-0017

An arbitrary file upload vulnerability has been found in NEC EXPRESSCLUSTER X. WebManager (clpwebmc.exe) is a webserver tasked with providing remote administrative access, it is configured to utilize port 29003 by default. This vulnerability occurs due to lack of input validation when supplying “UploadFile.js”. An attacker is able to transmit binary data resulting in eventual remote code execution in the context of SYSTEM.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0017
  • MITRE CVE: CVE-2021-20705

Vulnerability Metrics

  • CVSSv2 Score: 10.0

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.

NEC EXPRESSCLUSTER X Web Manager Command Execution

EIP-2015-0018

A remote command execution vulnerability has been found in NEC EXPRESSCLUSTER X. WebManager (clpwebmc.exe) is a webserver tasked with providing remote administrative access, it is configured to utilize port 29003 by default. This vulnerability occurs due to a command injection vulnerability in “LogCollect.js”. An attacker is able to specify arbitrary commands that will be executed in the context of SYSTEM.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0018
  • MITRE CVE: CVE-2021-20706

Vulnerability Metrics

  • CVSSv2 Score: 10.0

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.

NEC EXPRESSCLUSTER X Old API Server 0x1D Stack Overflow

EIP-2015-0015

A stack-based buffer overflow has been found in NEC EXPRESSCLUSTER X that can lead to remote arbitrary code execution with full SYSTEM privileges. The Old API Support service (clpoldapi.exe) is the system service component tasked with backwards compatibility and utilizes a random port between 1000 and 1500. This vulnerability occurs during the processing of opcode 0x1D within the Old API service. An attacker is able to introduce crafted data into the clptrnsv service to allow for arbitrary code execution.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0015
  • MITRE CVE: CVE-2021-20704

Vulnerability Metrics

  • CVSSv2 Score: 10.0

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.

NEC EXPRESSCLUSTER X Transaction Server 0x32 Stack Overflow

EIP-2015-0013

A stack-based buffer overflow has been found in NEC EXPRESSCLUSTER X that can lead to remote arbitrary code execution with full SYSTEM privileges. The Transaction Server (clptrnsv.exe) is a system service configured to utilize port 29002 by default to facilitate transactions such as sending and receiving licensing data. This vulnerability occurs during the processing of opcode 0x32 when initializing a clpexescript routine within the Transaction Server. An attacker is able to introduce crafted data into the clptrnsv service to allow for arbitrary code execution.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0013
  • MITRE CVE: CVE-2021-20703

Vulnerability Metrics

  • CVSSv2 Score: 10.0

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.

NEC EXPRESSCLUSTER X Transaction Server 0x3A Stack Overflow

EIP-2015-0012

A stack-based buffer overflow has been found in NEC EXPRESSCLUSTER X that can lead to remote arbitrary code execution with full SYSTEM privileges. The Transaction Server (clptrnsv.exe) is a system service configured to utilize port 29002 by default to facilitate transactions such as sending and receiving licensing data. This vulnerability occurs during the processing of opcode 0x3A when initializing a clpexescript routine within the Transaction Server. An attacker is able to introduce crafted data into the clptrnsv service to allow for arbitrary code execution.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0012
  • MITRE CVE: CVE-2021-20702

Vulnerability Metrics

  • CVSSv2 Score: 10.0

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.

NEC EXPRESSCLUSTER X Disk Agent 0x104 Stack Overflow

EIP-2015-0010

A stack-based buffer overflow has been found in NEC EXPRESSCLUSTER X that can lead to remote arbitrary code execution with full SYSTEM privileges. The Disk Agent (clpdiskagent.exe) is the component that is tasked with handling shared disk resources and mirror disk control. It is configured to utilize port 29004 by default to facilitate communications between agents. This vulnerability occurs during the processing of opcode 0x104 when initializing a CPROGAGT routine within the Disk Agent. An attacker is able to introduce crafted data into the clpdiskagent component to allow for arbitrary code execution.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0010
  • MITRE CVE: CVE-2021-20701

Vulnerability Metrics

  • CVSSv2 Score: 10.0

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.

NEC EXPRESSCLUSTER X Disk Agent 0x103 Stack Overflow

EIP-2015-0008

A stack-based buffer overflow has been found in NEC EXPRESSCLUSTER X that can lead to remote arbitrary code execution with full SYSTEM privileges. The Disk Agent (clpdiskagent.exe) is the component that is tasked with handling shared disk resources and mirror disk control. It is configured to utilize port 29004 by default to facilitate communications between agents. This vulnerability occurs during the processing of opcode 0x103 when initializing a CPROGAGT routine within the Disk Agent. An attacker is able to introduce crafted data into the clpdiskagent component to allow for arbitrary code execution.

Vulnerability Identifiers

  • Exodus Intelligence: EIP-2015-0008
  • MITRE CVE: CVE-2021-20700

Vulnerability Metrics

  • CVSSv2 Score: 10.0

Vendor References

Discovery Credit

  • Exodus Intelligence

Disclosure Timeline

  • Disclosed to affected vendor: February 25th, 2021
  • Disclosed to public: October 29th, 2021

Further Information

Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at sales@exodusintel.com.

Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.