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CVE-2021-20376

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-07 · updated 2026-06-17
Weakness: CWE-203

Description

IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.

Affected products

IBM Sterling B2B Integrator: from 2.2.0.0 through 5.2.6.5_3; from 6.0.0.0 through 6.0.3.4; from 6.1.0.0 through 6.1.0.1

References

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