IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834
An official patch is available. Apply the patch as soon as possible.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | nvd | AC: H→L, VI: N→H, VA: N→H | 4.6 → 7.2 |
| 2026-07-21 | nvd | patch: Unavailable→Official Patch | 4.6 → 4.6 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 4.6 |
Affected Software
| Vendor | Product | Version |
|---|
| IBM | InfoSphere Change Data Capture for z/OS | 10.2.1 |
| IBM | InfoSphere Data Replication | 11.4 |
| ibm | infosphere_change_data_capture | 10.2.1 |
| ibm | infosphere_change_data_capture | 11.3.3 |
| ibm | infosphere_change_data_capture | 11.4 |
| ibm | infosphere_data_replication | 11.4 |
| ibm | infosphere_data_replication | 11.4.0 |
Published: 2021-07-16
