CVE-2021-39035Network attack vector

Credential disclosure via embedded Dashboard JavaScript

Published Aug 16, 2022 · Updated Sep 16, 2024

Cross-site scripting in the Dashboard UI of IBM Sterling B2B Integrator allows remote authenticated users to trigger credential disclosure. The UI accepts user-controlled content and renders embedded JavaScript in a trusted browser session; IBM has not disclosed the exact input field or code path. Exploitation requires product access and victim interaction with the affected UI content, enabling script execution within the victim's session.

CVSS severity5.4
Medium
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in the Dashboard UI of IBM Sterling B2B Integrator allows remote authenticated users to trigger credential disclosure. The UI accepts user-controlled content and renders embedded JavaScript in a trusted browser session; IBM has not disclosed the exact input field or code path. Exploitation requires product access and victim interaction with the affected UI content, enabling script execution within the victim's session.

The record

CVE
CVE-2021-39035
Published
Aug 16, 2022
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Sterling B2B Integrator
Classifications
Unavailable
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 16, 2022CVE 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=6.0.0.0
  2. Affected versionversion=6.0.3.5
  3. Affected versionversion=6.1.0.0
  4. Affected versionversion=6.1.0.4
  5. Affected versionversion=6.1.1.0
  6. Affected versionversion=6.1.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Sterling B2B Integratorversion=6.0.0.0; version=6.0.3.5; version=6.1.0.0; version=6.1.0.4; version=6.1.1.0; version=6.1.1.1

Published CVSS scores

5.2IBMCVSS:3.0/C:L/AV:N/S:C/PR:L/I:L/A:N/UI:R/AC:L/E:H/RL:O/RC:C
5.4IBMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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
Privilegesauthenticated
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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