CVE-2020-4917Network attack vector

Unauthorized actions via cross-site request forgery

Published Jan 4, 2021 · Updated Sep 16, 2024

Cross-site request forgery in IBM Cloud Pak System 2.3 allows remote attackers to execute unauthorized actions through a trusted user's session. IBM has not disclosed the affected request handler or which request-validation failure causes attacker-controlled requests to be accepted. Exploitation requires trusted-user interaction, and the published consequence is limited to unauthorized state-changing actions.

CVSS severity4.3
Medium
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in IBM Cloud Pak System 2.3 allows remote attackers to execute unauthorized actions through a trusted user's session. IBM has not disclosed the affected request handler or which request-validation failure causes attacker-controlled requests to be accepted. Exploitation requires trusted-user interaction, and the published consequence is limited to unauthorized state-changing actions.

The record

CVE
CVE-2020-4917
Published
Jan 4, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
Cloud Pak System
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

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 privilegesunauthenticated

What is affected?

IBM · Cloud Pak Systemversion=2.3

Published CVSS scores

4.3IBMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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