CVE-2020-4912Network attack vector

Privilege escalation via captured privileged request URL

Published Jan 4, 2021 · Updated Sep 16, 2024

Privilege escalation in IBM Cloud Pak System 2.3 Self Service Console allows remote authenticated users to elevate access via a captured request URL. IBM identifies the locus as the Self Service Console and the operation as capturing a request URL, but does not disclose the affected handler or authorization failure. Exploitation requires a privileged console session; IBM does not further specify the elevated permissions or resulting actions.

CVSS severity4.7
Medium
EPSS probability1.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in IBM Cloud Pak System 2.3 Self Service Console allows remote authenticated users to elevate access via a captured request URL. IBM identifies the locus as the Self Service Console and the operation as capturing a request URL, but does not disclose the affected handler or authorization failure. Exploitation requires a privileged console session; IBM does not further specify the elevated permissions or resulting actions.

The record

CVE
CVE-2020-4912
Published
Jan 4, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
Cloud Pak System
Classifications
T1068
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 4, 2021CVE 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=2.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

IBM · Cloud Pak Systemversion=2.3

Published CVSS scores

4.7IBMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

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)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1068Exploitation for Privilege Escalation

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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