What is CVE-2018-20586?

CVE-2018-20586 is a medium-severity vulnerability in Bitcoin Core, classified under Improper Encoding or Escaping of Output. CVSS score: 5.3/10. Published 2020-03-12.

How severe is CVE-2018-20586?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2018-20586 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Bitcoin Core

CVE-2018-20586

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

EPSS: 0.011 (61.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Bitcoin Bitcoin_core — versions 0.12.0, 0.12.1, 0.13
N/a — versions n/a

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-20586?: CVE-2018-20586 is a medium-severity vulnerability in Bitcoin Core, classified under Improper Encoding or Escaping of Output. CVSS score: 5.3/10. Published 2020-03-12.
How severe is CVE-2018-20586?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2018-20586 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.