Every CVESearch/Get API key

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...

5.5 Medium

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

0.35%Unchanged since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used5.5

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.

Record
CVE-2018-20587
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:N/I:P/A:N
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2018-20587
Updated
2026-11-02
EUVDEUVD-2018-13140No score

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.

Record
EUVD-2018-13140
Updated
2026-11-03
GitHub AdvisoriesGHSA-rr2v-hv85-27hv5.5

Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1...

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.

Record
GHSA-rr2v-hv85-27hv
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSV5.5

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.

Record
CVE-2018-20587
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2026:11073-1No score

bitcoin-qt6-31.0-2.1 on GA media

These are all security issues fixed in the bitcoin-qt6-31.0-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11073-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:21149-1No score

Security update for bitcoin

This update for bitcoin fixes the following issues:

Changes in bitcoin:

  • Reference the tracking bugs for CVEs already fixed in current bitcoin (the affected versions all predate the shipped release):
    • CVE-2018-20587 (boo#1125092)
    • CVE-2019-15947 (boo#1149711)
    • CVE-2020-14198 (boo#1181786)
    • CVE-2021-3195 (boo#1181784)
    • CVE-2023-37192 (boo#1217678)
    • CVE-2024-35202 (boo#1231507)
Record
openSUSE-SU-2026:21149-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
bitcoin
openSUSE:Tumbleweed
From an advisory covering 5 CVEs
before 31.0-2.1
31.0-2.1
bitcoin
openSUSE:Leap 16.0
From an advisory covering 6 CVEs
before 27.1-bp160.2.1
27.1-bp160.2.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-20587 is a medium vulnerability (CVSS 5.5) in Bitcoin Core, published February 11, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. No source names a fixed version.

References

Show 11 moreShow less
PagesAll vulnerabilitiesBrowseDocsSourcesGuideGet API key
MoveEnter Open