CVE-2021-29903Network attack vector

Authenticated database manipulation via crafted B2B API requests

Published Oct 6, 2021 · Updated Sep 16, 2024

SQL injection in IBM Sterling B2B Integrator's B2B API allows remote authenticated users to read, add, modify, or delete database data. The API accepts specially crafted SQL statements for execution against the back-end database, but IBM has not disclosed the affected endpoint, parameter, or query-building operation. Authentication and network access to the B2B API are required; affected releases are 5.2.6.0 through 6.0.3.4 and 6.1.0.0 through 6.1.0.3.

CVSS severity6.3
Medium
EPSS probability1.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in IBM Sterling B2B Integrator's B2B API allows remote authenticated users to read, add, modify, or delete database data. The API accepts specially crafted SQL statements for execution against the back-end database, but IBM has not disclosed the affected endpoint, parameter, or query-building operation. Authentication and network access to the B2B API are required; affected releases are 5.2.6.0 through 6.0.3.4 and 6.1.0.0 through 6.1.0.3.

The record

CVE
CVE-2021-29903
Published
Oct 6, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Sterling B2B Integrator
Classifications
T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 6, 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=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 privilegesauthenticated

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

6.3IBMCVSS:3.0/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

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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