CVE-2021-35041

7.5 highEPSS 1.2%

High (7.5) in fisco-bcos fisco-bcos. EPSS 1.2% chance of exploitation in the next 30 days.

The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory sustainably and crash. More details are shown at: https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2021-06-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fisco-bcos:fisco-bcos

References

https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951
https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951

Check your stack JSON