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TI-2021-02368 Aliases CVE-2021-3401GHSA-rvfw-vc72-c8w8

Bitcoin Core before 0.19.0 might allow remote attackers to execute arbitrary code when…

Priority MEDIUM 55CWE-88Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-88.

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."

Why it matters now

EPSS 0.1092 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bitcoin:bitcoin:*:*:*:*:*:*:*:*before 0.19.0VulnerableBitcoin
  • cpe:2.3:a:bitcoin:bitcoin:*:*:*:*:*:*:*:* Versions before 0.19.0 Vulnerable ·Bitcoin

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3401
  2. 2026-10-03 Alias added: GHSA-rvfw-vc72-c8w8

References

Patch 1

Advisory 1

  • TI-2017-06679 The Bitcoin Proof-of-Work algorithm does not consider a certain attack methodology… CVSS 3.1HIGH 7.5
  • TI-2021-11867 Bitcoin Core 0.12.0 through 0.21.1 does not properly implement the replacement policy… CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences