CVE-2024-42483
6.5 · MEDIUMOverview
CVE-2024-42483 is a medium-severity vulnerability affecting espressif esp-now. It was published on September 12, 2024 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
ESP-NOW Component provides a connectionless Wi-Fi communication protocol. An replay attacks vulnerability was discovered in the implementation of the ESP-NOW because the caches is not differentiated by message types, it is a single, shared resource for all kinds of messages, whether they are broadcast or unicast, and regardless of whether they are ciphertext or plaintext. This can result an attacker to clear the cache of its legitimate entries, there by creating an opportunity to re-inject previously captured packets. This vulnerability is fixed in 2.5.2.
Remediation
Check the references section for vendor advisories and patches from espressif. Update esp-now 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 |
|---|---|---|---|
| espressif | esp-now | >= 0, < 2.5.2 | Affected |
Frequently Asked Questions
What is CVE-2024-42483?
CVE-2024-42483 is a medium-severity vulnerability affecting espressif esp-now. It was published on September 12, 2024 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2024-42483?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-42483?
Check the references section for vendor advisories and patches from espressif. Update esp-now 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-2024-42483?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-42483 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.
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