CVE-2014-8687 – This vulnerability allows remote attackers to e... (How to Fix)

Q: What is the severity of CVE-2014-8687?

CVE-2014-8687 has a CVSS score of 9.8 (CRITICAL). This vulnerability allows remote attackers to execute arbitrary code with root privileges on Seagate Business NAS devices by exploiting a static encryption key used for session tokens. Attackers can gain complete control of affected devices without authentication. Organizations using Seagate Business NAS devices with vulnerable firmware are affected.

📋 TL;DR

This vulnerability allows remote attackers to execute arbitrary code with root privileges on Seagate Business NAS devices by exploiting a static encryption key used for session tokens. Attackers can gain complete control of affected devices without authentication. Organizations using Seagate Business NAS devices with vulnerable firmware are affected.

💻 Affected Systems

Products:

Seagate Business NAS devices

Versions: Firmware before 2015.00322

Operating Systems: Embedded NAS OS

Default Config Vulnerable: ⚠️ Yes

Notes: All default configurations are vulnerable. No special configuration required for exploitation.

📦 What is this software?

Business Nas Firmware by Seagate

View all CVEs affecting Business Nas Firmware →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of NAS device with root access, data theft/destruction, lateral movement to connected systems, and persistent backdoor installation.

🟠

Likely Case

Unauthenticated remote code execution leading to data exfiltration, ransomware deployment, or device takeover for malicious activities.

🟢

If Mitigated

Limited impact if device is isolated behind strict network controls, though risk remains due to unauthenticated nature.

🌐 Internet-Facing: HIGH - Exploit is unauthenticated and public, making internet-facing devices immediate targets.

🏢 Internal Only: HIGH - Even internally, any network access to device allows exploitation due to unauthenticated nature.

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: CONFIRMED

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Multiple public exploit scripts available. Exploitation requires minimal technical skill.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2015.00322 or later

Vendor Advisory: https://www.seagate.com/support/security/

Restart Required: Yes

Instructions:

1. Backup NAS data. 2. Download latest firmware from Seagate support site. 3. Upload firmware via web interface. 4. Apply update. 5. Reboot device.

🔧 Temporary Workarounds

Network Isolation

all

Isolate NAS device from untrusted networks and restrict access to trusted IPs only.

Firewall Rules

all

Block all external access to NAS management interface (typically port 80/443).

🧯 If You Can't Patch

Immediately disconnect device from network and internet
Replace with patched or alternative NAS solution

🔍 How to Verify

Check if Vulnerable:

Check firmware version in NAS web interface under System > Firmware. If version is below 2015.00322, device is vulnerable.

Check Version:

No CLI command available. Must check via web interface.

Verify Fix Applied:

Confirm firmware version is 2015.00322 or higher in System > Firmware settings.

📡 Detection & Monitoring

Log Indicators:

Unusual authentication attempts
Unexpected system command execution
Firmware modification attempts

Network Indicators:

Unusual traffic to NAS management ports
Exploit kit traffic patterns
Unexpected outbound connections from NAS

SIEM Query:

source="nas_logs" AND (event="command_execution" OR event="firmware_update" OR event="unauthorized_access")

📊 Metadata

CVE ID: CVE-2014-8687

CVSS v3 Score: 9.8 (CRITICAL)

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-327

Published: June 8, 2017

Last Updated: April 20, 2025

🔗 References

http://packetstormsecurity.com/files/130585/Seagate-Business-NAS-2014.00319-Remote-Code-Execution.html Exploit,Third Party Advisory
http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html Exploit,Third Party Advisory
http://www.securityfocus.com/bid/72831 Third Party Advisory,VDB Entry
https://beyondbinary.io/articles/seagate-nas-rce/ Third Party Advisory
https://www.exploit-db.com/exploits/36202/ Exploit,Third Party Advisory,VDB Entry
https://www.exploit-db.com/exploits/36264/ Exploit,Third Party Advisory,VDB Entry
http://packetstormsecurity.com/files/130585/Seagate-Business-NAS-2014.00319-Remote-Code-Execution.html Exploit,Third Party Advisory
http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html Exploit,Third Party Advisory
http://www.securityfocus.com/bid/72831 Third Party Advisory,VDB Entry
https://beyondbinary.io/articles/seagate-nas-rce/ Third Party Advisory
https://www.exploit-db.com/exploits/36202/ Exploit,Third Party Advisory,VDB Entry
https://www.exploit-db.com/exploits/36264/ Exploit,Third Party Advisory,VDB Entry

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🔗 Related Vulnerabilities

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