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CVE-2019-12698— Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN CPU Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Adaptive Security Appliance (ASA) Software
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 Adaptive Security Appliances Software（ASA Software）是美国思科（Cisco）公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco ASA Software和Cisco FTD中的WebVPN功能存在安全漏洞。远程攻击者可通过发送多个WebVPN HTTP页面加载请求利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 1.98% · P80

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood
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I. Basic Information for CVE-2019-12698

Vulnerability Information
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Vulnerability Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN CPU Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the WebVPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for a specific WebVPN HTTP page request. An attacker could exploit this vulnerability by sending multiple WebVPN HTTP page load requests for a specific URL. A successful exploit could allow the attacker to increase CPU load on the device, resulting in a denial of service (DoS) condition, which could cause traffic to be delayed through the device.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Adaptive Security Appliances Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Adaptive Security Appliances Software（ASA Software）是美国思科（Cisco）公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco ASA Software和Cisco FTD中的WebVPN功能存在安全漏洞。远程攻击者可通过发送多个WebVPN HTTP页面加载请求利用该漏洞造成拒绝服务。
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 Adaptive Security Appliance (ASA) Software unspecified ~ n/a -

II. Public POCs for CVE-2019-12698

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III. Intelligence Information for CVE-2019-12698

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Vendor Advisories for CVE-2019-12698 (1)

Same Patch Batch · Cisco · 2019-10-02 · 43 CVEs total

CVE-2019-12679 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12693 Cisco Adaptive Security Appliance Software Secure Copy Denial of Service Vulnerability
CVE-2019-12677 Cisco Adaptive Security Appliance Software SSL VPN Denial of Service Vulnerability
CVE-2019-12681 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12678 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SIP Inspe
CVE-2019-12674 Cisco Firepower Threat Defense Software Multi-instance Container Escape Vulnerabilities
CVE-2019-12673 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspe
CVE-2019-12631 Cisco Identity Services Engine Cross-Site Scripting Vulnerability
CVE-2019-12630 Cisco Security Manager Java Deserialization Vulnerability
CVE-2019-12676 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software OSPF LSA
CVE-2019-12680 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12683 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12682 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12685 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12684 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12687 Cisco Firepower Management Center Remote Code Execution Vulnerability
CVE-2019-12686 Cisco Firepower Management Center SQL Injection Vulnerabilities
CVE-2019-12690 Cisco Firepower Management Center Command Injection Vulnerability
CVE-2019-12689 Cisco Firepower Management Center Remote Code Execution Vulnerability
CVE-2019-12688 Cisco Firepower Management Center Remote Code Execution Vulnerability

Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Adaptive Security Appliance (ASA) Software
Same vendor: Cisco
Same weakness: CWE-400

V. Comments for CVE-2019-12698

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