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CVE-2021-41122

MEDIUM
Published 2021-10-05T23:00:11
Actions:

Expert Analysis

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CVSS Score

V3.1
4.3
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.244
Higher than 24.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
NONE

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

vyperlang

vyper

Affected Versions:

< 0.3.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

missing clamps for decimal args in external functions

GHSA-c7pr-343r-5c46

Advisory Details

### Impact The following code does not properly validate that its input is in bounds. ```python @external def foo(x: decimal) -> decimal: return x ``` ### Patches 0.3.0 / #2447 ### Workarounds Don't use decimal args

Affected Packages

PyPI vyper
ECOSYSTEM: ≥0 <0.3.0

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

WEB https://github.com/vyperlang/vyper/security/advisories/GHSA-c7pr-343r-5c46
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-41122
WEB https://github.com/vyperlang/vyper/pull/2447
WEB https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2021-366.yaml
PACKAGE https://github.com/vyperlang/vyper

Advisory provided by GitHub Security Advisory Database. Published: October 6, 2021, Modified: November 18, 2024

References

https://github.com/vyperlang/vyper/security/advisories/GHSA-c7pr-343r-5c46
https://github.com/vyperlang/vyper/pull/2447
Published: 2021-10-05T23:00:11
Last Modified: 2024-08-04T02:59:31.578Z
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