CVE-2018-17145

Name: CVE-2018-17145
Creator: NVD / NIST
Published: 2020-09-10T17:15:25.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.41%

Last modified Jun 17, 2026

CVE-2018-17145 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Bitcoin Core 0.16.x before 0.16.2 and Bitcoin Knots 0.16.x before 0.16.2 allow remote denial of service via a flood of multiple transaction inv messages with random hashes, aka INVDoS. NOTE: this can also affect other cryptocurrencies, e.g., if they were forked from Bitcoin Core after 2017-11-15.. EPSS estimates a 3.41% chance of exploitation in the next 30 days.

Description

Bitcoin Core 0.16.x before 0.16.2 and Bitcoin Knots 0.16.x before 0.16.2 allow remote denial of service via a flood of multiple transaction inv messages with random hashes, aka INVDoS. NOTE: this can also affect other cryptocurrencies, e.g., if they were forked from Bitcoin Core after 2017-11-15.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.41%

87.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions	Update
Bcoin	Bcoin	< 1.0.2	—
Bitcoin	Bitcoin Core	>= 0.16.0, < 0.16.2	—
Bitcoinknots	Bitcoin Knots	>= 0.16.0, < 0.16.2	—
Btcd Project	Btcd	0.3.0	Alpha
Btcd Project	Btcd	0.3.1	Alpha
Btcd Project	Btcd	0.3.2	Alpha
Btcd Project	Btcd	0.3.3	Alpha
Btcd Project	Btcd	0.4.0	Alpha
Btcd Project	Btcd	0.5.0	Alpha
Btcd Project	Btcd	0.6.0	Alpha
Btcd Project	Btcd	0.7.0	Alpha
Btcd Project	Btcd	0.8.0	Beta
Btcd Project	Btcd	0.9.0	Beta
Btcd Project	Btcd	0.10.0	Beta
Btcd Project	Btcd	0.11.0	Beta
Btcd Project	Btcd	0.11.1	Beta
Btcd Project	Btcd	0.12.0	Beta
Btcd Project	Btcd	0.13.0	Beta
Btcd Project	Btcd	0.20.0	Beta
Btcd Project	Btcd	0.20.1	Beta
Decred	Dcrd	< 1.5.2	—
Litecoin	Litecoin	>= 0.16.0, < 0.16.2	—
Namecoin	Namecoin Core	>= 0.16.0, < 0.16.2	—

References

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-17145Vendor Advisory
https://github.com/bitcoin/bitcoin/blob/v0.16.2/doc/release-notes.mdRelease Notes, Third Party Advisory
https://invdos.netThird Party Advisory
https://invdos.net/paper/CVE-2018-17145.pdfExploit, Technical Description, Third Party Advisory
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-17145Vendor Advisory
https://github.com/bitcoin/bitcoin/blob/v0.16.2/doc/release-notes.mdRelease Notes, Third Party Advisory
https://invdos.netThird Party Advisory
https://invdos.net/paper/CVE-2018-17145.pdfExploit, Technical Description, Third Party Advisory

Timeline

Published: Sep 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-17145?

How severe is CVE-2018-17145?

CVE-2018-17145 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.41% probability of exploitation in the next 30 days.

How do I fix CVE-2018-17145?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-17145?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST