CVE-2020-4827Network attack vector

Unauthorized actions via forged trusted-user requests

Published Feb 4, 2021 · Updated Sep 17, 2024

CSRF in IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 allows remote attackers to perform unauthorized actions. IBM identifies the management server as affected but has not disclosed the request endpoint or the missing validation operation. A victim must submit the forged request within a trusted management-server session; the published impact is unauthorized state-changing action.

CVSS severity4.3
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 allows remote attackers to perform unauthorized actions. IBM identifies the management server as affected but has not disclosed the request endpoint or the missing validation operation. A victim must submit the forged request within a trusted management-server session; the published impact is unauthorized state-changing action.

The record

CVE
CVE-2020-4827
Published
Feb 4, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
API Connect
Classifications
CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 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=10.0.0.0
  2. Affected versionversion=10.0.1.0
  3. Affected versionversion=2018.4.1.0
  4. Affected versionversion=2018.4.1.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · API Connectversion=10.0.0.0; version=10.0.1.0; version=2018.4.1.0; version=2018.4.1.13

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)

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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