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CVE Record

CVE-2021-29837: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 6.1.1.0 is vulnerable to cross-site request fo...

IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 6.1.1.0 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts. IBM X-Force ID: 204913.

MediumCVSS 4.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This flaw lets an attacker trick a trusted user’s browser into sending unauthorized actions to IBM Sterling B2B Integrator. It does not expose data directly, but it can change system state if a logged-in user is lured into interacting with attacker-controlled content.

Executive priority

Treat this as a moderate remediation item. Prioritize affected systems used for sensitive partner workflows or exposed beyond internal networks, but it is not presented as actively exploited in the provided sources.

Technical view

CVE-2021-29837 is a CSRF issue in IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 6.1.1.0. CVSS 3.0 score is 4.3, with network access, low complexity, required user interaction, no privileges, and low integrity impact only.

Likely exposure

Exposure is limited to organizations running affected IBM Sterling B2B Integrator Standard Edition versions, particularly where users access the web interface with active sessions. Internet-facing access or highly privileged users would raise operational concern.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. Exploitation requires user interaction and a trusted browser session, so phishing or web lure scenarios are more relevant than unauthenticated direct compromise.

Researcher notes

The CVSS vector indicates integrity-only impact and required user interaction. The bundle does not include exact fixed versions or exploit details, so validation should focus on version exposure, advisory status, and authorized CSRF control review.

Mitigation direction

  • Review IBM advisory 6495907 for the applicable fixed level or interim guidance.
  • Upgrade or apply IBM-provided remediation for affected Sterling B2B Integrator versions.
  • Limit access to the Sterling B2B Integrator web interface to trusted networks.
  • Reduce session risk for privileged users with MFA and short session lifetimes.
  • Monitor for unexpected administrative or workflow changes from legitimate user accounts.

Validation and detection

  • Inventory IBM Sterling B2B Integrator Standard Edition deployments and versions.
  • Compare deployments against the affected 5.2.0.0 through 6.1.1.0 range.
  • Confirm IBM advisory remediation is installed or scheduled.
  • Check whether the web interface is exposed beyond trusted users and networks.
  • Review logs for unusual state-changing actions tied to active user sessions.
Prepared
Confidence
high
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2021-29837 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/UI:R/I:L/AV:N/S:U/AC:L/C:N/A:N/PR:N/RL:O/RC:C/E:U

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.3CVSS 3.0MediumCVSS:3.0/UI:R/I:L/AV:N/S:U/AC:L/C:N/A:N/PR:N/RL:O/RC:C/E:U2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2021-29837Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/UI:R/I:L/AV:N/S:U/AC:L/C:N/A:N/PR:N/RL:O/RC:C/E:U

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMSterling B2B Integrator5.2.0.0, 6.1.0.0, 6.0.3.4, 6.1.0.3Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.