CVE-2024-2741

7.1 HIGH

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in Planet IGS-4215-16T2S switches allows attackers to trick authenticated users into performing unauthorized actions through their web interface sessions. This affects users with administrative access to the switch web interface. The vulnerability is present in firmware version 1.305b210528.

💻 Affected Systems

Products:
  • Planet IGS-4215-16T2S
Versions: Firmware version 1.305b210528
Operating Systems: Embedded switch firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects the web management interface. Requires authenticated user session to exploit.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could create new administrative accounts, modify existing accounts, or change switch configuration, potentially gaining full control of the network device.

🟠

Likely Case

Attackers could add backdoor accounts or modify network settings, leading to unauthorized access or network disruption.

🟢

If Mitigated

With proper CSRF protections and user awareness, impact is limited to unsuccessful exploitation attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires tricking authenticated users into visiting malicious web pages while logged into the switch interface.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not specified in available references

Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-planet-igs-4215-16t2s

Restart Required: No

Instructions:

Check Planet website for firmware updates. If available, download and apply through web interface or CLI.

🔧 Temporary Workarounds

Implement CSRF Tokens

all

Add anti-CSRF tokens to web interface forms if custom web interface is possible

Restrict Network Access

all

Limit access to switch management interface to trusted networks only

🧯 If You Can't Patch

  • Implement network segmentation to isolate switch management interface
  • Use browser extensions that block CSRF attempts and educate users about phishing risks

🔍 How to Verify

Check if Vulnerable:

Check firmware version via web interface: System > System Information > Firmware Version

Check Version:

show version (CLI) or check web interface System Information

Verify Fix Applied:

Verify firmware version is updated beyond 1.305b210528

📡 Detection & Monitoring

Log Indicators:

  • Unexpected account creation/modification logs
  • Multiple failed login attempts followed by successful account changes

Network Indicators:

  • Unusual HTTP POST requests to switch management interface from unexpected sources

SIEM Query:

source="switch_logs" AND (event="user_added" OR event="user_modified") AND user_agent CONTAINS "malicious"

🔗 References

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