Protection Mechanism Failure vulnerability affects IBM Sterling File Gateway

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-18668
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-08 18:17:04 UTC
Updated2026-11-09 15:17:20 UTC
DescriptionIBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

Problem Types: CWE-693 | CWE-693 CWE-693 Protection Mechanism Failure

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM Sterling File Gateway affected 6.2.1.0 6.2.1.2_1, 6.2.2.0 - 6.2.2.1_1 semver Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7294084 [email protected] www.ibm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: ProductVersionAPARRemediation & Fix IBM Sterling File Gateway 6.2.1.0 - 6.2.1.2_1IT49752 Apply 6.2.1.3  IBM Sterling File Gateway 6.2.2.0 - 6.2.2.1_1IT49752 Apply 6.2.2.2 The IIM versions of 6.2.1.3 and 6.2.2.2 are available on  Fix Central http://www-933.ibm.com/support/fixcentral/swg/selectFixes .  The container versions of 6.2.1.3 and 6.2.2.2 are available in IBM Entitled Registry * cp.icr.io/cp/ibm-b2bi for IBM Sterling File Gateway

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