IBM Sterling B2B Integrator and IBM Sterling File Gateway Denial of Service
Published Mar 17, 2026
7.5
HIGHCVSS 3.1
EPSS 0.34%
Description
IBM Sterling B2B Integrator and and IBM Sterling File Gateway 6.1.0.0 through 6.1.2.7_2, 6.2.0.0 through 6.2.0.5_1, 6.2.1.0 through 6.2.1.1_1, and 6.2.2.0 could allow an unauthenticated attacker to send a specially crafted request that causes the application to crash.
Affected products
-
- Version 6.1.0.0StatusaffectedConstraints<=6.1.2.7_2
- Version 6.2.0.0StatusaffectedConstraints<=6.2.0.5_1
- Version 6.2.1.0StatusaffectedConstraints<=6.2.1.1_1
- Version 6.2.2.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IBM | Sterling B2B Integrator | n/a |
|
- ≥ 6.1.0.0 · < 6.1.2.8
- ≥ 6.2.0.0 · < 6.2.0.5_2
- ≥ 6.2.1.0 · < 6.2.1.1_2
- 6.2.2.0
- ≥ 6.1.0.0 · < 6.1.2.8
- ≥ 6.2.0.0 · < 6.2.0.5_2
- ≥ 6.2.1.0 · < 6.2.1.1_2
- 6.2.2.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Remediation/Fixes Product Version APAR Remediation & Fix IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.1.0.0 - 6.1.2.7_2 IT48828 Apply B2Bi 6.1.2.8, 6.2.0.5_2, 6.2.1.1_2 or 6.2.2.0_1 IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.2.0.0 - 6.2.0.5_1 IT48828 Apply B2Bi 6.2.0.5_2, 6.2.1.1_2 or 6.2.2.0_1 IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.2.1.0 - 6.2.1.1_1 IT48828 Apply B2Bi 6.2.1.1_2 or 6.2.2.0_1 IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.2.2.0 IT48828 Apply B2Bi 6.2.2.0_1 The IIM versions of 6.1.2.8, 6.2.0.5_2, 6.2.1.1_2 and 6.2.2.0_1 are available on Fix Central . The container version of 6.1.2.8, 6.2.0.5_2, 6.2.1.1_2 and 6.2.2.0_1 are available in IBM Entitled Registry.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Mar 18, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
Mar–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.34% (0.00337) | 24.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00337) | 25.24th | v5 (v2026.06.15) |
| Mar 18, 2026 | 0.07% (0.00067) | 20.44th | v4 (v2025.03.14) |
References (1)
- https://www.ibm.com/support/pages/node/7266520 vendor-advisorypatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.ibm.com/support/pages/node/7266520 | vendor-advisorypatchVendor Advisory |
Change history (0)
No recorded changes yet.