CVE-2026-20113
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I. Basic Information for CVE-2026-20113
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to perform a carriage return line feed (CRLF) injection attack against a user. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to arbitrarily inject log entries, manipulate the structure of log files, or obscure legitimate log events.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XE Software 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE Software是美国思科（Cisco）公司的一种网络操作系统。 Cisco IOS XE Software存在注入漏洞，该漏洞源于用户输入验证不足，可能导致CRLF注入攻击。
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 | 16.6.1 | - |
II. Public POCs for CVE-2026-20113
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2026-03-25 · 13 CVEs total
| CVE-2026-20084 | 8.6 HIGH | Cisco IOS XE Software 资源管理错误漏洞 |
| CVE-2026-20086 | 8.6 HIGH | Cisco IOS XE Wireless Controller software 安全漏洞 |
| CVE-2026-20012 | 8.6 HIGH | Cisco多款产品 安全漏洞 |
| CVE-2026-20125 | 7.7 HIGH | Cisco IOS和Cisco IOS XE Software 安全漏洞 |
| CVE-2026-20004 | 7.4 HIGH | Cisco IOS XE Software 安全漏洞 |
| CVE-2026-20110 | 6.5 MEDIUM | Cisco IOS XE Software 安全漏洞 |
| CVE-2026-20083 | 6.5 MEDIUM | Cisco IOS XE Software 安全漏洞 |
| CVE-2026-20104 | 6.1 MEDIUM | Cisco多款产品 安全漏洞 |
| CVE-2026-20115 | 6.1 MEDIUM | Cisco IOS XE Software 安全漏洞 |
| CVE-2026-20114 | 5.4 MEDIUM | Cisco IOS XE Software 安全漏洞 |
| CVE-2026-20108 | 5.4 MEDIUM | Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage） 跨站脚本漏洞 |
| CVE-2026-20112 | 4.8 MEDIUM | Cisco IOS XE Software 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same vendor: Cisco
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Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-93
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Sandboxie-Plus privilege escalation via INI CRLF injection b
V. Comments for CVE-2026-20113
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