Vulnerability Details : CVE-2021-41122
Potential exploit
Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions external functions did not properly validate the bounds of decimal arguments. The can lead to logic errors. This issue has been resolved in version 0.3.0.
Products affected by CVE-2021-41122
- cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41122
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41122
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2021-41122
-
The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-41122
-
https://github.com/vyperlang/vyper/security/advisories/GHSA-c7pr-343r-5c46
missing clamps for decimal args in external functions · Advisory · vyperlang/vyper · GitHubExploit;Third Party Advisory
-
https://github.com/vyperlang/vyper/pull/2447
rewrite internal calling convention by charles-cooper · Pull Request #2447 · vyperlang/vyper · GitHubThird Party Advisory
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