CVE-2019-12666— Cisco IOS XE Software Path Traversal Vulnerability
Quick assessment
Affected
Cisco Cisco IOS XE Software 16.4.1
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Guest Shell存在路径遍历漏洞，该漏洞源于程序没有充分验证命令。本地攻击者可通过访问Guest Shell并注入命令利用该漏洞执行任意代码。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2019-12666
Vulnerability Information
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Vulnerability Title
Cisco IOS XE Software Path Traversal Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Guest Shell of Cisco IOS XE Software could allow an authenticated, local attacker to perform directory traversal on the base Linux operating system of Cisco IOS XE Software. The vulnerability is due to incomplete validation of certain commands. An attacker could exploit this vulnerability by first accessing the Guest Shell and then entering specific commands. A successful exploit could allow the attacker to execute arbitrary code on the base Linux operating system.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XE 路径遍历漏洞
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Guest Shell存在路径遍历漏洞，该漏洞源于程序没有充分验证命令。本地攻击者可通过访问Guest Shell并注入命令利用该漏洞执行任意代码。
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 16.4.1 | unspecified ~ n/a | - |
|
II. Public POCs for CVE-2019-12666
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-12666 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-dt vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2019-09-25 · 29 CVEs total
| CVE-2019-12709 | Cisco IOS XR Software for Cisco ASR 9000 VMAN CLI Privilege Escalation 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-2019-12659 | Cisco IOS XE Software HTTP Server Denial of Service 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-2019-12672 | Cisco IOS XE Software Arbitrary Code Execution Vulnerability | |
| CVE-2019-12671 | Cisco IOS XE Software Consent Token Bypass 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 |
Showing top 20 of 29 CVEs. View all on vendor page → →
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V. Comments for CVE-2019-12666
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