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CVE-2020-3337— Cisco Umbrella Open Redirect Vulnerability

Quick assessment

Affected
Cisco Cisco Umbrella
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 Umbrella是美国思科（Cisco）公司的一套云安全平台。该平台能够预防网络钓鱼、恶意软件和勒索软件等网络威胁。 Cisco Umbrella中存在输入验证错误漏洞，该漏洞源于程序没有对URL参数进行正确的输入验证。远程攻击者可通过发送特制的HTTP请求利用该漏洞将用户重定向到恶意的网站。

AI Predicted 6.5 Difficulty: Easy EPSS 0.81% · P55

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2020-3337

Vulnerability Information
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Vulnerability Title
Cisco Umbrella Open Redirect Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web server of Cisco Umbrella could allow an unauthenticated, remote attacker to redirect a user to an undesired web page. The vulnerability is due to improper input validation of the URL parameters in an HTTP request that is sent to an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request that could cause the web application to redirect the request to a specified malicious URL. A successful exploit could allow the attacker to redirect a user to a malicious website.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Umbrella 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Umbrella是美国思科（Cisco）公司的一套云安全平台。该平台能够预防网络钓鱼、恶意软件和勒索软件等网络威胁。 Cisco Umbrella中存在输入验证错误漏洞，该漏洞源于程序没有对URL参数进行正确的输入验证。远程攻击者可通过发送特制的HTTP请求利用该漏洞将用户重定向到恶意的网站。
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 Umbrella n/a -

II. Public POCs for CVE-2020-3337

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III. Intelligence Information for CVE-2020-3337

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Vendor Advisories for CVE-2020-3337 (1)

Same Patch Batch · Cisco · 2020-06-18 · 38 CVEs total

CVE-2020-3361 8.1 HIGH Cisco Webex Meetings and Cisco Webex Meetings Server Token Handling Unauthorized Access Vu
CVE-2020-3350 5.5 MEDIUM Cisco AMP for Endpoints and ClamAV Privilege Escalation Vulnerability
CVE-2020-3362 4.7 MEDIUM Cisco Network Services Orchestrator Information Disclosure Vulnerability
CVE-2020-3292 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3342 Cisco Webex Meetings Desktop App for Mac Update Feature Code Execution Vulnerability
CVE-2020-3336 Cisco TelePresence Collaboration Endpoint and RoomOS Software Command Injection Vulnerabil
CVE-2020-3296 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3295 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3294 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3293 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3354 Cisco Data Center Network Manager Stored Cross-Site Scripting Vulnerability
CVE-2020-3291 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3290 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3289 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3288 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3287 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3286 Cisco Small Business RV Series Routers Stack Overflow Arbitrary Code Execution Vulnerabili
CVE-2020-3279 Cisco Small Business RV Series Routers Command Injection Vulnerabilities
CVE-2020-3278 Cisco Small Business RV Series Routers Command Injection Vulnerabilities
CVE-2020-3277 Cisco Small Business RV Series Routers Command Injection Vulnerabilities

Showing top 20 of 38 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Umbrella
Same vendor: Cisco
Same weakness: CWE-601

V. Comments for CVE-2020-3337

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