CVE-2021-35041

Public Exploit

Description

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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951 exploit third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-35041?
CVE-2021-35041 has been scored as a high severity vulnerability.
How to fix CVE-2021-35041?
To fix CVE-2021-35041, 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-2021-35041 being actively exploited in the wild?
It is possible that CVE-2021-35041 is being exploited or will be exploited in a near future based on public information. 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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