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CVE-2019-15956— Cisco Web Security Appliance Unauthorized Device Reset Vulnerability

Quick assessment

Affected
Cisco Cisco Web Security Appliance (WSA)
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 Web Security Appliance（WSA）是美国思科（Cisco）公司的一款Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。AsyncOS Software是使用在其中的一套操作系统。 Cisco WSA中的AsyncOS Software存在访问控制错误漏洞，该漏洞源于程序对Web管理界面中的URL进行了错误授权控制。攻击者可通过发送特制的HTTP请求利用该漏洞更改管理员密码，提升权限或重置配置信息，造成拒绝服务。

AI Predicted 8.6 Difficulty: Easy EPSS 0.98% · P61
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I. Basic Information for CVE-2019-15956

Vulnerability Information
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Vulnerability Title
Cisco Web Security Appliance Unauthorized Device Reset Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web management interface of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to perform an unauthorized system reset on an affected device. The vulnerability is due to improper authorization controls for a specific URL in the web management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could have a twofold impact: the attacker could either change the administrator password, gaining privileged access, or reset the network configuration details, causing a denial of service (DoS) condition. In both scenarios, manual intervention is required to restore normal operations.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Web Security Appliance AsyncOS Software 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一款Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。AsyncOS Software是使用在其中的一套操作系统。 Cisco WSA中的AsyncOS Software存在访问控制错误漏洞，该漏洞源于程序对Web管理界面中的URL进行了错误授权控制。攻击者可通过发送特制的HTTP请求利用该漏洞更改管理员密码，提升权限或重置配置信息，造成拒绝服务。
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 Web Security Appliance (WSA) unspecified ~ n/a -

II. Public POCs for CVE-2019-15956

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III. Intelligence Information for CVE-2019-15956

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Vendor Advisories for CVE-2019-15956 (1)

Same Patch Batch · Cisco · 2019-11-26 · 24 CVEs total

CVE-2019-15998 Cisco IOS XR Software NETCONF Over Secure Shell ACL Bypass Vulnerability
CVE-2019-15973 Cisco Industrial Network Director Reflected Cross-Site Scripting Vulnerability
CVE-2019-15967 Cisco TelePresence Collaboration Endpoint and RoomOS Audio Eavesdropping Vulnerability
CVE-2019-15960 Cisco Webex Network Recording Admin Page Privilege Escalation Vulnerability
CVE-2019-15958 Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution
CVE-2019-15288 Cisco TelePresence Collaboration Endpoint, TelePresence Codec, and RoomOS Software Privile
CVE-2019-15286 Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulne
CVE-2019-15284 Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulne
CVE-2019-15276 Cisco Wireless LAN Controller HTTP Parsing Engine Denial of Service Vulnerability
CVE-2019-15271 Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution V
CVE-2019-16002 Cisco SD-WAN Solution vManage Cross-Site Request Forgery Vulnerability
CVE-2019-16001 Cisco Webex Teams for Windows DLL Hijacking Vulnerability
CVE-2019-15968 Cisco Unified Communications Domain Manager Persistent Cross-Site Scripting Vulnerability
CVE-2019-15997 Cisco DNA Spaces: Connector Command Injection Vulnerability
CVE-2019-15996 Cisco DNA Spaces: Connector Privilege Escalation Vulnerability
CVE-2019-15995 Cisco DNA Spaces: Connector SQL Injection Vulnerability
CVE-2019-15994 Cisco Stealthwatch Enterprise Cross-Site Scripting Vulnerability
CVE-2019-15990 Cisco Small Business Routers RV016, RV042, RV042G, and RV082 Information Disclosure Vulner
CVE-2019-15988 Cisco Email Security Appliance URL Filtering Bypass Vulnerability
CVE-2019-15987 Cisco WebEx Centers Username Enumeration Information Disclosure Vulnerability

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Web Security Appliance (WSA)
Same vendor: Cisco
Same weakness: CWE-284

V. Comments for CVE-2019-15956

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