HOMEVULNERABILITIESCVE-2018-20586
MEDIUM

CVE-2018-20586

CWE-116Published: March 12, 2020· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

bitcoind and Bitcoin-Qt prior to 0.17.1 allow injection of arbitrary data into the debug log via an RPC call.

NVD Source

Technical Analysis

CVE-2018-20586 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.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Vendors & Products

bitcoin1 product(s)
bitcoin core
Source: NVD CPE · 19 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2018-20586
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-116
CISA KEVNo
Affected1 vendor(s)
PublishedMar 12, 2020

Related CVEs (CWE-116)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-20586 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.