Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Espressif | Esp-Now | < 2.5.2 |
Related Weaknesses (CWE)
References
- https://github.com/espressif/esp-now/commit/4e30db50d541b2909d278ef0db05de1a3d71Patch
- https://github.com/espressif/esp-now/security/advisories/GHSA-wf6q-c2xr-77xjExploitThird Party Advisory
FAQ
What is CVE-2024-42483?
CVE-2024-42483 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 b...
How severe is CVE-2024-42483?
CVE-2024-42483 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-42483?
Check the references section above for vendor advisories and patch information. Affected products include: Espressif Esp-Now.