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TI-2023-13421 Aliases CVE-2023-28956GHSA-wvh6-gq7g-cq47

IBM Spectrum Protect Backup-Archive Client privilege escalation

Priority LOW 38CWE-266Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

IBM Spectrum Protect Backup-Archive Client 8.1.0.0 through 8.1.17.2 may allow a local user to escalate their privileges due to improper access controls.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00161 5th 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
IBMSpectrum Protect Backup-Archive Client8.1.0.0 – 8.1.17.2—No fix listedCNA
  • Spectrum Protect Backup-Archive Client VendorIBM Affected 8.1.0.0 – 8.1.17.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:spectrum_protect_backup-archive_client:*:*:*:*:*:*:*:*8.1.0.0 – 8.1.17.2VulnerableIBM
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:ibm:spectrum_protect_backup-archive_client:*:*:*:*:*:*:*:* Versions 8.1.0.0 – 8.1.17.2 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-2023-28956
  2. 2026-10-03 Alias added: GHSA-wvh6-gq7g-cq47

References

Patch 1

  • TI-2021-03773 Incorrect default permissions in IBM Spectrum Protect for Virtual Environments CVSS 3.1HIGH 7.8
  • TI-2018-01629 Clickjacking in IBM Spectrum Protect CVSS 3.1MEDIUM 6.1
  • TI-2021-16467 Out-of-bounds write in IBM Spectrum Protect CVSS 3.1MEDIUM 5.5
  • TI-2018-01576 Incorrect permission assignment in IBM Spectrum Protect CVSS 3.0MEDIUM 5.5
  • TI-2018-01640 Cleartext storage of sensitive information in IBM Spectrum Protect for Space Management CVSS 3.1MEDIUM 4.7
  • TI-2019-03257 IBM Spectrum Protect Backup-Archive Client 7.1 and 8.1 may be vulnerable to a denial of… CVSS 3.1MEDIUM 4.4

Sources

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