CVE-2018-20587
Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1.knots20181229 have Incorrect Access Control.
Does this matter?
Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.
Description
Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1.knots20181229 have Incorrect Access Control. Local users can exploit this to steal currency by binding the RPC IPv4 localhost port, and forwarding requests to the IPv6 localhost port.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.35% probability · 29th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- bitcoin/bitcoin core · bitcoinknots/bitcoin knots
- Source
- cve@mitre.org
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-20587Third Party Advisory
- https://medium.com/%40lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-20587Third Party Advisory
- https://medium.com/%40lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.