CVE-2017-20199
Buttercup buttercup-browser-extension Vault access control
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
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.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By VulDB
- 2 days later
· 2 days later
Published
- 12 days later
· 12 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Low2.3 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | Low3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Low3.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Low2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C |
| NVDNVD · Analyzed | 4.0 | Low1.3 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.51% · top 56% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.3.
Weakness
Affected products
Buttercup · buttercup-browser-extension
- affected 0.14.0
- affected 0.14.1
- affected 0.14.2
- unaffected 1.0.1
References (8)
- VDB-319969 | Buttercup buttercup-browser-extension Vault access control (opens in a new tab)vdb-entrytechnical-description
- VDB-319969 | CTI Indicators (IOB, IOC, TTP) (opens in a new tab)signaturepermissions-required
- Submit #628170 | Buttercup Password Manager Buttercup Browser Extension <=v0.14.2 Improper Access Control – Sensitive Data Exposure (CWE-284 / CWE (opens in a new tab)third-party-advisory
- https://github.com/buttercup/buttercup-browser-extension/issues/92 (opens in a new tab)issue-tracking
- https://github.com/buttercup/buttercup-browser-extension/issues/92#issuecomment-358449755 (opens in a new tab)issue-tracking
- https://github.com/buttercup/buttercup-browser-extension/issues/92#issuecomment-372991430 (opens in a new tab)exploitissue-tracking
- https://github.com/buttercup/buttercup-browser-extension/pull/89 (opens in a new tab)issue-trackingpatch
- https://github.com/buttercup/buttercup-browser-extension/releases/tag/v1.0.1 (opens in a new tab)patch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-20199)Record last updated .