CVE-2021-3195
mediumpriority · track · 30EPSS 0.013 · 70 %ileEUUSEPSS · scored 2026-10-28
bitcoind in Bitcoin Core through 0.21.0 can create a new file in an arbitrary directory (e.g., outside the ~/.bitcoin directory) via a dumpwallet RPC call. NOTE: this reportedly does not violate the security model of Bitcoin Core, but can violate the security model of a fork that has implemented dumpwallet restrictions
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
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references (5)
External citations — patches, advisories, analysis.
- https://github.com/bitcoin/bitcoin/issues/20866cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-3195cnnvd
- https://vigilance.fr/vulnerability/Bitcoin-Core-directory-traversal-via-Dumpwallet-RPC-Call-37700cnnvd
- https://github.com/bitcoin/bitcoin/issues/20866enisa_euvd
- https://github.com/bitcoin/bitcoin/issues/20866ExploitIssue TrackingThird Party Advisorynvd
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