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TI-2026-11400 Aliases CVE-2026-13473GHSA-9qhh-4vx4-2pqx

IBM Storage Protect Client is vulnerable to Heap-Based Buffer Overflow

Priority MEDIUM 44CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

IBM Storage Protect Client 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0 IBM Storage Protect is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00672 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMStorage Protect Client8.1.0.0 – 8.1.27.0, 8.1.27.1; 8.2.0.0 – 8.2.1.0—No fix listedCNA
  • Storage Protect Client VendorIBM Affected 8.1.0.0 – 8.1.27.0, 8.1.27.1; 8.2.0.0 – 8.2.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:storage_protect:*:*:*:*:*:*:*:*8.1 to before 8.2.1.2VulnerableIBM
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:ibm:storage_protect:*:*:*:*:*:*:*:* Versions 8.1 to before 8.2.1.2 Vulnerable ·IBM
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13473
  2. 2026-10-03 Alias added: GHSA-9qhh-4vx4-2pqx

References

Patch 1

  • TI-2026-10819 Hardcoded credential in the IBM Storage Protect Snapshot For Windows leads to unauthorized access to system CVSS 3.1CRITICAL 9.1
  • TI-2023-17965 IBM Spectrum Protect code execution CVSS 3.1HIGH 8.4
  • TI-2024-25594 IBM Storage Protect for Virtual Environments: Data Protection for VMware information disclosure CVSS 3.1HIGH 7.5
  • TI-2023-21193 IBM Storage Protect information disclosure CVSS 3.1MEDIUM 4.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences