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CVE-2019-1923— Cisco Small Business SPA500 Series IP Phones Local Command Execution Vulnerability

Quick assessment

Affected
Cisco Cisco SPA525G2 5-line IP Phone
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 Small Business SPA500 Series IP Phones是美国思科（Cisco）公司的一款SPA500系列IP电话。 使用7.6.2SR5及之前版本固件的Cisco Small Business SPA500 Series IP Phones中存在命令注入漏洞，该漏洞源于设备的配置界面没有进行正确的输入验证。攻击者可通过访问配置界面利用该漏洞在设备上执行任意命令。

AI Predicted 6.5 Difficulty: Hard EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1485 · Data Destruction
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I. Basic Information for CVE-2019-1923

Vulnerability Information
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Vulnerability Title
Cisco Small Business SPA500 Series IP Phones Local Command Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Cisco Small Business SPA500 Series IP Phones could allow a physically proximate attacker to execute arbitrary commands on the device. The vulnerability is due to improper input validation in the device configuration interface. An attacker could exploit this vulnerability by accessing the configuration interface, which may require a password, and then accessing the device's physical interface and inserting a USB storage device. A successful exploit could allow the attacker to execute arbitrary commands on the device in an elevated security context. At the time of publication, this vulnerability affected Cisco Small Business SPA500 Series IP Phones firmware releases 7.6.2SR5 and prior.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Small Business SPA500 Series IP Phones 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Small Business SPA500 Series IP Phones是美国思科（Cisco）公司的一款SPA500系列IP电话。 使用7.6.2SR5及之前版本固件的Cisco Small Business SPA500 Series IP Phones中存在命令注入漏洞，该漏洞源于设备的配置界面没有进行正确的输入验证。攻击者可通过访问配置界面利用该漏洞在设备上执行任意命令。
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 SPA525G2 5-line IP Phone unspecified ~ 7.6.2SR5 -

II. Public POCs for CVE-2019-1923

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III. Intelligence Information for CVE-2019-1923

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Vendor Advisories for CVE-2019-1923 (1)

Same Patch Batch · Cisco · 2019-07-17 · 8 CVEs total

CVE-2019-1917 Cisco Vision Dynamic Signage Director REST API Authentication Bypass Vulnerability
CVE-2019-1920 Cisco IOS Access Points Software 802.11r Fast Transition Denial of Service Vulnerability
CVE-2019-1919 Cisco FindIT Network Management Software Static Credentials Vulnerability
CVE-2019-1942 Cisco Identity Services Engine Blind SQL Injection Vulnerability
CVE-2019-1941 Cisco Identity Services Engine Cross-Site Scripting Vulnerability
CVE-2019-1940 Cisco Industrial Network Director Web Services Management Agent Unauthorized Information D
CVE-2019-1943 Cisco Small Business Series Switches Open Redirect Vulnerability

IV. Related Vulnerabilities

Same product: Cisco SPA525G2 5-line IP Phone
Same vendor: Cisco
Same weakness: CWE-77

V. Comments for CVE-2019-1923

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