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I. Basic Information for CVE-2021-28136
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of multiple LMP IO Capability Request packets during the pairing process, allowing attackers in radio range to trigger memory corruption (and consequently a crash) in ESP32 via a replayed (duplicated) LMP packet.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Espressif ESP-IDF缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Espressif ESP-IDF是中国乐鑫信息科技(Espressif)公司的一款物联网开发框架。 Espressif ESP-IDF中存在缓冲区错误漏洞,该漏洞源于Espressif ESP-IDF 4.4 及更早版本中的蓝牙经典实现在配对过程中无法正确处理多个 LMP IO 能力请求数据包的接收,允许无线电范围内的攻击者通过重播触发 ESP32 中的内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
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II. Public POCs for CVE-2021-28136
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III. Intelligence Information for CVE-2021-28136
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