Executive Summary

Informations
Name CVE-2021-41121 First vendor Publication 2021-10-06
Vendor Cve Last vendor Modification 2023-08-02

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions when performing a function call inside a literal struct, there is a memory corruption issue that occurs because of an incorrect pointer to the the top of the stack. This issue has been resolved in version 0.3.0.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41121

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 4

Sources (Detail)

Source Url
CONFIRM https://github.com/vyperlang/vyper/security/advisories/GHSA-xv8x-pr4h-73jv
MISC https://github.com/vyperlang/vyper/pull/2447

Alert History

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Date Informations
2023-08-12 01:24:00
  • Multiple Updates
2023-08-03 21:28:12
  • Multiple Updates
2023-08-02 21:27:53
  • Multiple Updates
2021-10-15 21:23:00
  • Multiple Updates
2021-10-07 00:22:51
  • First insertion