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CVE-2021-45698

CRITICALCVSS 9.8/10EPSS 1.19%

Last modified

CVE-2021-45698 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

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.

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
1.19%

64.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
NervosCkb< 0.40.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45698?
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.
How severe is CVE-2021-45698?
CVE-2021-45698 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45698?
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-2021-45698?

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

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Source: NVD / NIST