CVE-2021-29837Network attack vector

Unauthorized actions via forged trusted-session requests

Published Oct 6, 2021 · Updated Sep 17, 2024

Cross-site request forgery in IBM Sterling B2B Integrator allows remote attackers to perform unauthorized actions through a trusted user's browser. The user interface accepts a forged cross-site request as an instruction from the trusted user's session; IBM has not disclosed the affected endpoint or omitted validation. Exploitation requires user interaction in an authenticated browser session, and the published impact is limited to unauthorized state changes.

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

Cross-site request forgery in IBM Sterling B2B Integrator allows remote attackers to perform unauthorized actions through a trusted user's browser. The user interface accepts a forged cross-site request as an instruction from the trusted user's session; IBM has not disclosed the affected endpoint or omitted validation. Exploitation requires user interaction in an authenticated browser session, and the published impact is limited to unauthorized state changes.

The record

CVE
CVE-2021-29837
Published
Oct 6, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
IBM Sterling B2B Integrator
Classifications
CWE-352, CAPEC-62
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 6, 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=5.2.0.0
  2. Affected versionversion=6.0.3.4
  3. Affected versionversion=6.1.0.0
  4. Affected versionversion=6.1.0.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Sterling B2B Integratorversion=5.2.0.0; version=6.0.3.4; version=6.1.0.0; version=6.1.0.3

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.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
CAPEC-62Cross Site Request Forgery

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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