Is CVE-2021-3195 actively exploited?

No active exploitation of CVE-2021-3195 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-3195 be exploited remotely?

Yes. CVE-2021-3195 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-3195?

CVE-2021-3195 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2021-3195

CWE-20Published: January 26, 2021· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-2021-3195 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.