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TI-2019-09399 Aliases CVE-2019-12587GHSA-7ff7-896h-mmfv

The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and…

Priority LOW 37CWE-327Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-327.

Summary

The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 allows the installation of a zero Pairwise Master Key (PMK) after the completion of any EAP authentication method, which allows attackers in radio range to replay, decrypt, or spoof frames via a rogue access point.

Why it matters now

EPSS 0.00875 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*2.0.0 – 4.0.0Vulnerableespressif
cpe:2.3:a:espressif:esp8266_nonos_sdk:*:*:*:*:*:*:*:*2.2.0 – 3.1.0Vulnerableespressif
  • cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:* Versions 2.0.0 – 4.0.0 Vulnerable ·espressif
  • cpe:2.3:a:espressif:esp8266_nonos_sdk:*:*:*:*:*:*:*:* Versions 2.2.0 – 3.1.0 Vulnerable ·espressif

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-12587
  2. 2026-10-03 Alias added: GHSA-7ff7-896h-mmfv

References

Exploit 1

Patch 1

Other 1

  • TI-2024-22076 Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to execute… CVSS 3.1MEDIUM 6.5
  • TI-2026-33125 ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers CVSS 3.1CRITICAL 9.3
  • TI-2025-32598 ESP-NOW Integer Underflow Vulnerability Advisory CVSS 4.0HIGH 7.2
  • TI-2022-08703 Espressif Bluetooth Mesh Stack Vulnerable to Out-of-bounds Write leading to memory buffer corruption CVSS 3.1HIGH 8.8
  • TI-2021-09371 The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not… CVSS 3.1HIGH 8.8
  • TI-2026-33292 ESF-IDF: Remote Null Pointer Dereference in WebSocket Server CVSS 3.1HIGH 7.5
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences