CVE-2022-24845

Name: CVE-2022-24845
Creator: NVD / NIST
Published: 2022-04-13T22:15:08.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.34%

Last modified Jun 17, 2026

CVE-2022-24845 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of `<iface>.returns_int128()` is not validated to fall within the bounds of `int128`. EPSS estimates a 1.34% chance of exploitation in the next 30 days.

Description

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of `<iface>.returns_int128()` is not validated to fall within the bounds of `int128`. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0, `<iface>.returns_int128()` is validated in simple expressions, but not complex expressions. Users are advised to upgrade. There is no known workaround for this issue.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.34%

67.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vyperlang	Vyper	< 0.3.2

References

https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470bPatch, Third Party Advisory
https://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7hExploit, Patch, Third Party Advisory
https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470bPatch, Third Party Advisory
https://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7hExploit, Patch, Third Party Advisory

Timeline

Published: Apr 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-24845?

How severe is CVE-2022-24845?

CVE-2022-24845 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24845?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-24845?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST