CVE-2020-4918

Sensitive data disclosure via unchecked object reference

Published Jan 4, 2021 · Updated Sep 17, 2024

Information disclosure in IBM Cloud Pak System 2.3 allows local users with privileged access to read sensitive Platform System Manager data. The Self Service Console accepts a user-controlled object reference without enforcing authorization for the referenced Platform System Manager object. Exploitation requires local privileged access; IBM has not identified the request handler or the exact data objects exposed.

CVSS severity2.3
Low
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

Information disclosure in IBM Cloud Pak System 2.3 allows local users with privileged access to read sensitive Platform System Manager data. The Self Service Console accepts a user-controlled object reference without enforcing authorization for the referenced Platform System Manager object. Exploitation requires local privileged access; IBM has not identified the request handler or the exact data objects exposed.

The record

CVE
CVE-2020-4918
Published
Jan 4, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
Cloud Pak System
Classifications
CWE-639, T1005
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jan 4, 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=2.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

IBM · Cloud Pak Systemversion=2.3

Published CVSS scores

2.3IBM CorporationCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1005Data from Local System

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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