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CVE-2021-34757— Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities

Quick assessment

Affected
Cisco Cisco Small Business 220 Series Smart Plus Switches
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.

Cisco Business 220 Series Smart Switches是美国思科（Cisco）公司的一系列智能交换机。用于在有限预算范围内构建可靠的企业网络。 Cisco Business 220 Series Smart Switches 固件中存在信任管理问题漏洞，该漏洞源于固件中使用了静态密码。攻击者可利用该漏洞在受影响的设备上获得更高的权限。

CVSS 4.9 · Medium EPSS 0.62% · P48
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I. Basic Information for CVE-2021-34757

Vulnerability Information
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Vulnerability Title
Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in Cisco Business 220 Series Smart Switches firmware could allow an attacker with Administrator privileges to access sensitive login credentials or reconfigure the passwords on the user account. For more information about these vulnerabilities, see the Details section of this advisory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过源代码导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Business 220 Series Smart Switches 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Business 220 Series Smart Switches是美国思科（Cisco）公司的一系列智能交换机。用于在有限预算范围内构建可靠的企业网络。 Cisco Business 220 Series Smart Switches 固件中存在信任管理问题漏洞，该漏洞源于固件中使用了静态密码。攻击者可利用该漏洞在受影响的设备上获得更高的权限。
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
Cisco Cisco Small Business 220 Series Smart Plus Switches n/a -

II. Public POCs for CVE-2021-34757

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III. Intelligence Information for CVE-2021-34757

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Vendor Advisories for CVE-2021-34757 (1)

Same Patch Batch · Cisco · 2021-10-06 · 23 CVEs total

CVE-2021-34710 8.8 HIGH Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities
CVE-2021-34735 8.8 HIGH Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities
CVE-2021-34748 8.8 HIGH Cisco Intersight Virtual Appliance Command Injection Vulnerability
CVE-2021-34698 8.6 HIGH Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability
CVE-2021-1594 7.5 HIGH Cisco Identity Services Engine Privilege Escalation Vulnerability
CVE-2021-34788 7.0 HIGH Cisco AnyConnect Secure Mobility Client for Linux and Mac OS with VPN Posture (HostScan) M
CVE-2021-34706 6.4 MEDIUM Cisco Identity Services Engine XML External Entity Injection Vulnerability
CVE-2021-34742 6.1 MEDIUM Cisco Vision Dynamic Signage Director Reflected Cross-Site Scripting Vulnerability
CVE-2021-1534 5.8 MEDIUM Cisco Email Security Appliance URL Filtering Bypass Vulnerability
CVE-2021-34711 5.5 MEDIUM Cisco IP Phone Software Arbitrary File Read Vulnerability
CVE-2021-34766 5.4 MEDIUM Cisco Smart Software Manager Privilege Escalation Vulnerability
CVE-2021-34744 4.9 MEDIUM Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities
CVE-2021-34772 4.7 MEDIUM Cisco Orbital Open Redirect Vulnerability
CVE-2021-34758 4.4 MEDIUM Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerabi
CVE-2021-34775 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34776 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34777 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34778 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34779 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34780 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Small Business 220 Series Smart Plus Switches
Same vendor: Cisco
Same weakness: CWE-540

V. Comments for CVE-2021-34757

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