What’s Vulnerable › Vulnerabilities

CVE-2024-53406

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-13 · updated 2026-06-17
• Weakness: CWE-639

Description

Espressif Esp idf v5.3.0 is vulnerable to Insecure Permissions resulting in Authentication bypass. In the reconnection phase, the device reuses the session key from a previous connection session, creating an opportunity for attackers to execute security bypass attacks.

Affected products

• espressif esp-idf: 5.3

References

• https://github.com/espressif/esp-idf
• https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Esp/sk_reuse.md

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