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CVE-2019-12659— Cisco IOS XE Software HTTP Server Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco IOS XE Software 3.2.0JA
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 IOS XE是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XE中的HTTP服务器代码存在资源管理错误漏洞，该漏洞源于记录机制存在逻辑错误。远程攻击者可通过向HTTP服务建立大量长期有效的连接利用该漏洞造成HTTP服务器崩溃。

AI Predicted 7.5 Difficulty: Easy EPSS 1.82% · P77
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I. Basic Information for CVE-2019-12659

Vulnerability Information
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Vulnerability Title
Cisco IOS XE Software HTTP Server Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the HTTP server code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the HTTP server to crash. The vulnerability is due to a logical error in the logging mechanism. An attacker could exploit this vulnerability by generating a high amount of long-lived connections to the HTTP service on the device. A successful exploit could allow the attacker to cause the HTTP server to crash.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
资源管理错误
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XE 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XE中的HTTP服务器代码存在资源管理错误漏洞，该漏洞源于记录机制存在逻辑错误。远程攻击者可通过向HTTP服务建立大量长期有效的连接利用该漏洞造成HTTP服务器崩溃。
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 IOS XE Software 3.2.0JA unspecified ~ n/a -

II. Public POCs for CVE-2019-12659

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III. Intelligence Information for CVE-2019-12659

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Vendor Advisories for CVE-2019-12659 (1)

Same Patch Batch · Cisco · 2019-09-25 · 29 CVEs total

CVE-2019-12671 Cisco IOS XE Software Consent Token Bypass Vulnerability
CVE-2019-12646 Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of
CVE-2019-12650 Cisco IOS XE Software Web UI Command Injection Vulnerabilities
CVE-2019-12649 Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability
CVE-2019-12648 Cisco IOx for IOS Software Guest Operating System Unauthorized Access Vulnerability
CVE-2019-12647 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability
CVE-2019-12651 Cisco IOS XE Software Web UI Command Injection Vulnerabilities
CVE-2019-12653 Cisco IOS XE Software Raw Socket Transport Denial of Service Vulnerability
CVE-2019-12665 Cisco IOS and IOS XE Software HTTP Client Information Disclosure Vulnerability
CVE-2019-12663 Cisco IOS XE Software TrustSec Protected Access Credential Provisioning Denial of Service
CVE-2019-12661 Cisco IOS XE Software Virtualization Manager CLI Command Injection Vulnerability
CVE-2019-12657 Cisco IOS XE Software Unified Threat Defense Denial of Service Vulnerability
CVE-2019-12655 Cisco IOS XE Software FTP Application Layer Gateway for NAT, NAT64, and ZBFW Denial of Ser
CVE-2019-12709 Cisco IOS XR Software for Cisco ASR 9000 VMAN CLI Privilege Escalation Vulnerability
CVE-2019-12672 Cisco IOS XE Software Arbitrary Code Execution Vulnerability
CVE-2019-12669 Cisco IOS and IOS XE Software Change of Authorization Denial of Service Vulnerability
CVE-2019-12667 Cisco IOS XE Software Stored Cross-Site Scripting Vulnerability
CVE-2019-12658 Cisco IOS XE Software Filesystem Exhaustion Denial of Service Vulnerability
CVE-2019-12656 Cisco IOx Application Environment Denial of Service Vulnerability
CVE-2019-12654 Cisco IOS and IOS XE Software Session Initiation Protocol Denial of Service Vulnerability

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Cisco
Same weakness: CWE-399

V. Comments for CVE-2019-12659

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