CVE-2025-36192

Backup destruction via unchecked CCW updates

Published Dec 26, 2025 · Updated Dec 26, 2025

Missing authorization in IBM DS8000 Safeguarded Copy on DS8A00 and DS8900F allows local users to delete or corrupt backups. The Safeguarded Copy/GDPS logical-corruption controls accept CCW update operations without a separate authorization check before altering protected backup copies. Reachability requires authorized CCW update permissions; successful operations can destroy recovery copies or leave them corrupted.

CVSS severity6.7
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in IBM DS8000 Safeguarded Copy on DS8A00 and DS8900F allows local users to delete or corrupt backups. The Safeguarded Copy/GDPS logical-corruption controls accept CCW update operations without a separate authorization check before altering protected backup copies. Reachability requires authorized CCW update permissions; successful operations can destroy recovery copies or leave them corrupted.

The record

CVE
CVE-2025-36192
Published
Dec 26, 2025
Updated
Dec 26, 2025
Vendor
IBM
Product
DS8A00
Classifications
CWE-862, T1490
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.10.106.0
  2. Affected versionversion=10.1.3.0
  3. Affected versionversion=10.2.45.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

IBM · DS8A00version=10.10.106.0; version=10.1.3.0; version=10.2.45.0
IBM · DS8900Fversion=89.40.83.0; version=89.42.18.0; version=89.44.5.0

Published CVSS scores

7.1NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
6.7IBMCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1490Inhibit System Recovery

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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