Vulnerability in Bitcoin
CVE-2021-3401
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."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.105 (95.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.105 · newest: 0.105 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- achow101.com/2021/02/0.18-uri-vuln (Third Party Advisory)
- github.com/bitcoin/bitcoin/pull/16578 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3401?
- CVE-2021-3401 is a critical-severity vulnerability in Bitcoin, classified under Argument Injection. CVSS score: 9.8/10. Published 2021-02-04.
- How severe is CVE-2021-3401?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-3401 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.