CVE-2020-26265

CVSS V2 Low 3.5 CVSS V3 Medium 5.3
Description
Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. In Geth from version 1.9.4 and before version 1.9.20 a consensus-vulnerability could cause a chain split, where vulnerable versions refuse to accept the canonical chain. The fix was included in the Paragade release version 1.9.20. No individual workaround patches have been made -- all users are recommended to upgrade to a newer version.
Overview
  • CVE ID
  • CVE-2020-26265
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-12-11T17:15:12
  • Last Modified Date
  • 2020-12-14T18:16:17
Weakness Enumerations
CWE URL
CWE-682 http://cwe.mitre.org/data/definitions/682.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:* 1 OR 1.9.4 1.9.20
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.6
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20 Third Party Advisory
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26265
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26265
History
Created Old Value New Value Data Type Notes
2022-05-10 07:30:32 Added to TrackCVE
2022-12-05 18:04:05 2020-12-11T17:15Z 2020-12-11T17:15:12 CVE Published Date updated
2022-12-05 18:04:05 2020-12-14T18:16:17 CVE Modified Date updated
2022-12-05 18:04:05 Analyzed Vulnerability Status updated