Resource exhaustion in Ethereum Go-ethereum
CVE-2020-26264
Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. In Geth before version 1.9.25 a denial-of-service vulnerability can make a LES server crash via malicious GetProofsV2 request from a connected LES clie…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.019 (76.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ethereum Go-ethereum — versions < 1.9.25
- Ethereum Go_ethereum
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-26264?
- CVE-2020-26264 is a medium-severity vulnerability in Ethereum Go-ethereum, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-12-11.
- How severe is CVE-2020-26264?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-26264 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.