CVE-2017-20199

A vulnerability was found in Buttercup buttercup-browser-extension up to 0.14.2. Affected by this vulnerability is an unknown functionality of the component Vault Handler. The manipulation results in improper access controls. The attack may be performed from a remote location. A high complexity level is associated with this attack. The exploitation appears to be difficult. The exploit has been made public and could be used. Upgrading to version 1.0.1 addresses this issue. The patch is identified as 89. Upgrading the affected component is recommended. This vulnerability only affects products that are no longer supported by the maintainer.

• CWE-266
• CWE-284

• https://github.com/buttercup/buttercup-browser-extension/issues/92Issue Tracking
• https://github.com/buttercup/buttercup-browser-extension/issues/92#issuecomment-358449755Issue Tracking
• https://github.com/buttercup/buttercup-browser-extension/issues/92#issuecomment-372991430Issue Tracking
• https://github.com/buttercup/buttercup-browser-extension/pull/89Patch
• https://github.com/buttercup/buttercup-browser-extension/releases/tag/v1.0.1Release Notes
• https://vuldb.com/?ctiid.319969Permissions Required, VDB Entry
• https://vuldb.com/?id.319969Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.628170Third Party Advisory, VDB Entry
• https://github.com/buttercup/buttercup-browser-extension/issues/92#issuecomment-372991430Issue Tracking

Published

Aug 16, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

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