CVE-2020-4348Network attack vector

Unauthorized GUI actions via missing function authorization

Published May 27, 2020 · Updated Sep 16, 2024

Missing authorization in IBM Spectrum Scale allows remote authenticated users to perform unauthorized actions through the management GUI. The GUI omits function-level access checks before invoking protected operations; IBM has not disclosed the affected endpoint or handler. Affected releases are 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.4, and a valid low-privileged GUI account is required.

CVSS severity6.5
Medium
EPSS probability0.76%
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 Spectrum Scale allows remote authenticated users to perform unauthorized actions through the management GUI. The GUI omits function-level access checks before invoking protected operations; IBM has not disclosed the affected endpoint or handler. Affected releases are 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.4, and a valid low-privileged GUI account is required.

The record

CVE
CVE-2020-4348
Published
May 27, 2020
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Spectrum Scale
Classifications
CWE-862
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 27, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 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=4.2.0.0
  2. Affected versionversion=4.2.3.21
  3. Affected versionversion=5.0.0.0
  4. Affected versionversion=5.0.4.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Spectrum Scaleversion=4.2.0.0; version=4.2.3.21; version=5.0.0.0; version=5.0.4.4

Published CVSS scores

5.7IBMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
6.5IBMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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.

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)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization

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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