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CVE-2021-34589— Bender Charge Controller: RFID leak

Quick assessment

Affected
Bender / ebee CC612
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ebee是Bender的一款充电控制器。 Bender ebee 充电控制器存在信息泄露漏洞，该漏洞源于出现 RFID 泄漏，无需验证即可通过 Web 界面读取最后一次充电事件的 RFID。攻击者利用此漏洞可绕过凭据检查并提升权限。以下产品和版本受到影响：5.11.2、5.12.5、5.13.2 或 5.20.2 之前版本的CC612、CC613系列、ICC15xx 或 ICC16xx。

CVSS 7.5 · High EPSS 0.99% · P62

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories
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I. Basic Information for CVE-2021-34589

Vulnerability Information
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Vulnerability Title
Bender Charge Controller: RFID leak
Source: CVE Program / CVE List V5
Vulnerability Description
In Bender/ebee Charge Controllers in multiple versions are prone to an RFID leak. The RFID of the last charge event can be read without authentication via the web interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Bender ebee 充电控制器 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ebee是Bender的一款充电控制器。 Bender ebee 充电控制器存在信息泄露漏洞，该漏洞源于出现 RFID 泄漏，无需验证即可通过 Web 界面读取最后一次充电事件的 RFID。攻击者利用此漏洞可绕过凭据检查并提升权限。以下产品和版本受到影响：5.11.2、5.12.5、5.13.2 或 5.20.2 之前版本的CC612、CC613系列、ICC15xx 或 ICC16xx。
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

Vendor Product Affected Versions CPE Subscribe
Bender / ebee CC612 5.11.x ~ 5.11.2 -
Bender / ebee CC613 5.11.x ~ 5.11.2 -
Bender / ebee ICC15xx 5.11.x ~ 5.11.2 -
Bender / ebee ICC16xx 5.11.x ~ 5.11.2 -

II. Public POCs for CVE-2021-34589

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III. Intelligence Information for CVE-2021-34589

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Other References for CVE-2021-34589 (1)

Same Patch Batch · Bender / ebee · 2022-04-27 · 8 CVEs total

CVE-2021-34601 9.8 CRITICAL Bender Charge Controller: Hardcoded Credentials in Charge Controller
CVE-2021-34592 8.8 HIGH Bender Charge Controller: Command injection via Web interface
CVE-2021-34602 8.8 HIGH Bender Charge Controller: Long URL could lead to webserver crash
CVE-2021-34588 8.6 HIGH Bender Charge Controller: Unprotected data export
CVE-2021-34591 7.8 HIGH Bender Charge Controller: Local privilege Escalation
CVE-2021-34590 5.4 MEDIUM Bender Charge Controller: Cross-site Scripting
CVE-2021-34587 5.3 MEDIUM Bender Charge Controller: Long URL could lead to webserver crash

IV. Related Vulnerabilities

Same product: CC612
Same vendor: Bender / ebee
Same weakness: CWE-200

V. Comments for CVE-2021-34589

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