What is CVE-2021-41272?

CVE-2021-41272 is a high-severity vulnerability in Hyperledger Besu, classified under Incorrect Conversion between Numeric Types. CVSS score: 7.5/10. Published 2021-12-13.

How severe is CVE-2021-41272?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Hyperledger Besu

CVE-2021-41272

Besu is an Ethereum client written in Java. Starting in version 21.10.0, changes in the implementation of the SHL, SHR, and SAR operations resulted in the introduction of a signed type coercion error in values that represent negative value…

EPSS: 0.004 (59.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Hyperledger Besu — versions > 21.7.4, < 21.10.2

Weakness classification (CWE)

CWE-681 — Incorrect Conversion between Numeric Types

References

github.com/hyperledger/besu/security/advisories/GHSA-7pg2-p5vj-xp5h (x_refsource_CONFIRM)
github.com/hyperledger/besu/pull/3039 (x_refsource_MISC)
github.com/hyperledger/besu/commit/4170524ac3b45185704fcfbdeeb71b0b05dfa0a1 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-41272?: CVE-2021-41272 is a high-severity vulnerability in Hyperledger Besu, classified under Incorrect Conversion between Numeric Types. CVSS score: 7.5/10. Published 2021-12-13.
How severe is CVE-2021-41272?: High severity. CVSS v3 base score is 7.5 out of 10.