CVE-2020-5023

7.5 HIGH

📋 TL;DR

IBM Spectrum Protect Plus versions 10.1.0 through 10.1.7 contain a vulnerability that allows remote attackers to inject arbitrary data, causing resource exhaustion and service crashes. This affects all deployments running vulnerable versions of the software, potentially disrupting backup and recovery operations.

💻 Affected Systems

Products:
  • IBM Spectrum Protect Plus
Versions: 10.1.0 through 10.1.7
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: All deployments within the affected version range are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete denial of service causing backup operations to fail, potentially leading to data loss if backups cannot be performed during critical windows.

🟠

Likely Case

Service disruption requiring manual restart of IBM Spectrum Protect Plus components, causing temporary backup/restore unavailability.

🟢

If Mitigated

Minimal impact with proper network segmentation and access controls preventing unauthorized access to vulnerable interfaces.

🌐 Internet-Facing: HIGH - Remote exploitation capability makes internet-facing instances particularly vulnerable to DoS attacks.
🏢 Internal Only: MEDIUM - Internal attackers or compromised internal systems could still exploit this to disrupt backup services.

🎯 Exploit Status

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

The vulnerability allows remote exploitation without authentication, making it relatively easy to exploit for denial of service.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 10.1.8 and later

Vendor Advisory: https://www.ibm.com/support/pages/node/6410888

Restart Required: Yes

Instructions:

1. Download IBM Spectrum Protect Plus 10.1.8 or later from IBM Fix Central. 2. Follow IBM's upgrade documentation for your deployment type (VM, container, or appliance). 3. Apply the update to all Spectrum Protect Plus components. 4. Restart all services to complete the update.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict network access to IBM Spectrum Protect Plus management interfaces to only trusted IP addresses

Use firewall rules to limit access (e.g., iptables -A INPUT -p tcp --dport <port> -s <trusted_ip> -j ACCEPT)

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate Spectrum Protect Plus from untrusted networks
  • Monitor for unusual resource consumption patterns and implement automated alerting for service health

🔍 How to Verify

Check if Vulnerable:

Check the installed version via the Spectrum Protect Plus web interface or command line: vSnap -version

Check Version:

vSnap -version

Verify Fix Applied:

Confirm version is 10.1.8 or higher and test service functionality remains stable under normal load

📡 Detection & Monitoring

Log Indicators:

  • Unusual resource consumption patterns
  • Service crash/restart events in application logs
  • Failed backup operations

Network Indicators:

  • Unusual traffic patterns to Spectrum Protect Plus management ports
  • Multiple connection attempts from single sources

SIEM Query:

source="spectrum_protect" AND (event_type="service_crash" OR resource_usage>90%)

🔗 References

📤 Share & Export