CVEvulnerability

CVE-2024-42483

6.5 MEDIUM Published 2024-09-12 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2024-09-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses
CWE-345, CWE-349

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.

Affected configurations

• espressif esp-now (< 2.5.2)

Related

Weakness · CWE (2)

  • CWE-345 Insufficient Verification of Data Authenticity weakness
  • CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data weakness

References