CVE-2020-4889

Support analysis disruption via command-log poisoning

Published Jan 26, 2021 · Updated Sep 17, 2024

Log injection in IBM Spectrum Scale 5.0.0 through 5.0.5.4 and 5.1.0 allows local users to poison command log files. IBM has not published the affected command, input field, or missing neutralization operation. Local access is required; crafted log content can mislead support and development analysis, with no reported confidentiality or availability impact.

CVSS severity4.0
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Log injection in IBM Spectrum Scale 5.0.0 through 5.0.5.4 and 5.1.0 allows local users to poison command log files. IBM has not published the affected command, input field, or missing neutralization operation. Local access is required; crafted log content can mislead support and development analysis, with no reported confidentiality or availability impact.

The record

CVE
CVE-2020-4889
Published
Jan 26, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
IBM Spectrum Scale
Classifications
T1565.001
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 26, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record 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=5.0.0
  2. Affected versionversion=5.0.5.4
  3. Affected versionversion=5.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · IBM Spectrum Scaleversion=5.0.0; version=5.0.5.4; version=5.1

Published CVSS scores

4.0IBMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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