CVE-2026-20113
Possible ATT&CK Techniques 3AI
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I. Basic Information for CVE-2026-20113
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
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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Vendor Advisories for CVE-2026-20113 (1)
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 product: Cisco IOS XE Software
- CVE-2026-20311
Cisco IOS XE Software Web UI Denial of Service Vulnerability - CVE-2026-20301
Cisco IOS Software and IOS XE Software Extensible Messaging - CVE-2026-20308
Cisco IOS XE Software Web-Based Management Interface Vulnera - CVE-2026-20273
Cisco IOS XE Software Security Hardening Release - CVE-2026-20272
Cisco IOS XE Software Security Hardening Release
Same vendor: Cisco
- CVE-2026-20349
Cisco Secure Firewall Adaptive Security Appliance and Secure - CVE-2026-20348
ClamAV XAR File Format Processing Memory Corruption Vulnerab - CVE-2026-20345
ClamAV GPT File Format Processing Memory Corruption Vulnerab - CVE-2026-20339
ClamAV PESpin File Format Processing Integer Overflow Vulner - CVE-2026-20347
ClamAV Mach-O File Format Processing Memory Corruption Vulne
Same weakness: CWE-93
- CVE-2026-53788
rsync < 3.5.0 Newline Injection via name-converter uid/gid m - CVE-2026-16455
Local privilege escalation via improper input sanitization i - CVE-2026-72590
alseambusher crontab-ui - Unauthenticated RCE via Newline In - CVE-2026-61477
Libvirt: libvirt: newline injection in network xml dns txt/s - CVE-2026-0673
Element Pack Addons for Elementor <= 8.3.15 - Unauthenticate
V. Comments for CVE-2026-20113
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