CVE-2021-29845

8.8 HIGH

📋 TL;DR

IBM Security Guardium Insights 3.0 contains an improper input validation vulnerability that allows authenticated users to perform unauthorized actions. This affects organizations using IBM Security Guardium Insights 3.0, potentially enabling privilege escalation or unauthorized data access.

💻 Affected Systems

Products:
  • IBM Security Guardium Insights
Versions: 3.0
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to the Guardium Insights interface.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

An authenticated attacker could gain administrative privileges, access sensitive data, or disrupt security monitoring operations.

🟠

Likely Case

Privilege escalation allowing unauthorized access to security data and configuration changes.

🟢

If Mitigated

Limited impact with proper authentication controls and network segmentation in place.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires authenticated access but the vulnerability is in input validation which is often straightforward to exploit.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply fix as described in IBM advisory

Vendor Advisory: https://www.ibm.com/support/pages/node/6550866

Restart Required: Yes

Instructions:

1. Review IBM advisory at https://www.ibm.com/support/pages/node/6550866
2. Apply the recommended fix for IBM Security Guardium Insights 3.0
3. Restart the Guardium Insights service
4. Verify the fix is applied

🔧 Temporary Workarounds

Restrict User Access

all

Limit authenticated user access to only necessary functions and implement principle of least privilege.

Network Segmentation

all

Isolate Guardium Insights from general network access and restrict to security management networks only.

🧯 If You Can't Patch

  • Implement strict access controls and monitoring for Guardium Insights users
  • Segment Guardium Insights network and limit access to security administrators only

🔍 How to Verify

Check if Vulnerable:

Check if running IBM Security Guardium Insights version 3.0 without the fix applied.

Check Version:

Check Guardium Insights administration interface or consult IBM documentation for version checking.

Verify Fix Applied:

Verify the fix has been applied by checking version and consulting IBM advisory for specific fix verification steps.

📡 Detection & Monitoring

Log Indicators:

  • Unusual user activity patterns
  • Unauthorized configuration changes
  • Privilege escalation attempts

Network Indicators:

  • Unusual API calls to Guardium Insights
  • Unexpected administrative actions from non-admin users

SIEM Query:

source="guardium_insights" AND (event_type="privilege_change" OR event_type="unauthorized_action")

🔗 References

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