CVE-2021-45698

Description

An issue was discovered in the ckb crate before 0.40.0 for Rust. A get_block_template RPC call may fail in situations where it is supposed to select a Nervos CKB blockchain transaction with a higher fee rate than another transaction.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.41%

Third-Party Advisory githubusercontent.com Third-Party Advisory rustsec.org

Affected: n/a n/a

References

Link	Tags
https://rustsec.org/advisories/RUSTSEC-2021-0107.html	third party advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0107.md	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-45698?: CVE-2021-45698 has been scored as a critical severity vulnerability.
How to fix CVE-2021-45698?: To fix CVE-2021-45698, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45698 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-45698 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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