CVE-2023-40591
7.5 · HIGHOverview
CVE-2023-40591 is a high-severity vulnerability affecting ethereum go_ethereum. It was published on September 6, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node. The fix is included in geth version `1.12.1-stable`, i.e, `1.12.2-unstable` and onwards. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Remediation
Check the references section for vendor advisories and patches from ethereum. Update go_ethereum to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ethereum | go_ethereum | >= 1.10.0, < 1.12.1 | Affected |
References
Frequently Asked Questions
What is CVE-2023-40591?
CVE-2023-40591 is a high-severity vulnerability affecting ethereum go_ethereum. It was published on September 6, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2023-40591?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-40591?
Check the references section for vendor advisories and patches from ethereum. Update go_ethereum to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-40591?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-40591 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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