CVE-2021-20376

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-203

Affected software

Vendor	Product	Versions
IBM	Sterling File Gateway	2.2.0.0; 6.0.0.0; 5.2.6.5_3; 6.0.3.4; 6.1.0.0; 6.1.0.1

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/195568VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6496789Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/195568VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6496789Patch, Vendor Advisory

Timeline

Published: Oct 7, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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