What is CVE-2021-3195?

CVE-2021-3195 is a high-severity vulnerability in Bitcoin Bitcoin_core, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-01-26.

How severe is CVE-2021-3195?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-3195 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Bitcoin Bitcoin_core

CVE-2021-3195

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…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Bitcoin Bitcoin_core
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-3195?: CVE-2021-3195 is a high-severity vulnerability in Bitcoin Bitcoin_core, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-01-26.
How severe is CVE-2021-3195?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-3195 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.