CVE-2021-3401 in the critical feed json
Bitcoin Core before 0.19.0 might allow remote attackers to execute arbitrary code when another application unsafely passes the -platformplu…
published 2021-02-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26729
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.9%
- EPSS 10.9% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
Bitcoin Core before 0.19.0 might allow remote attackers to execute arbitrary code when another application unsafely passes the -platformpluginpath argument to the bitcoin-qt program, as demonstrated by an x-scheme-handler/bitcoin handler for a .desktop file or a web browser. NOTE: the discoverer states "I believe that this vulnerability cannot actually be exploited."
Patch / fix
Exploit prediction
10.92% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-88 Improper Neutralization of Argument Delimiters in a Command
References
-
github.com
/bitcoin/bitcoin/pull/16578
patch, third-party-advisory
-
achow101.com
/2021/02/0.18-uri-vuln
third-party-advisory
Sources
- CVE List CVE-2021-3401
- NVD CVE-2021-3401
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