CVE-2026-20152— Cisco Secure Web Appliance Authentication Service Traffic Bypass Vulnerability
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-20152
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Cisco Secure Web Appliance Authentication Service Traffic Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the authentication service feature of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass authentication policy requirements. This vulnerability is due to improper validation of user-supplied authentication input in HTTP requests. An attacker could exploit this vulnerability by sending HTTP requests that contain specific authentication requests to an affected device. A successful exploit could allow the attacker to bypass policy enforcement on the device. There is no direct impact to the Cisco Secure Web Appliance. However, as a result of exploiting this vulnerability, an attacker could send HTTP requests that should be restricted through the device.
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
使用基本弱点进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Secure Web Appliance 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Secure Web Appliance是美国思科（Cisco）公司的一个应用程序。用于保护网站。 Cisco Secure Web Appliance存在安全漏洞，该漏洞源于HTTP请求中用户提供的身份验证输入验证不当，可能导致未经验证的远程攻击者绕过身份验证策略要求。
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 Secure Web Appliance | 11.8.0-453 | - |
II. Public POCs for CVE-2026-20152
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-20152
请登录查看更多情报信息。
Same Patch Batch · Cisco · 2026-04-15 · 15 CVEs total
| CVE-2026-20180 | 9.9 CRITICAL | Cisco Identity Services Engine Multiple Remote Code Execution Vulnerability |
| CVE-2026-20186 | 9.9 CRITICAL | Cisco Identity Services Engine Multiple Authenticated Remote Code Execution Vulnerability |
| CVE-2026-20147 | 9.9 CRITICAL | Cisco Identity Services Engine Remote Code Execution Vulnerability |
| CVE-2026-20184 | 9.8 CRITICAL | Cisco Webex Meetings Certificate Validation Vulnerability |
| CVE-2026-20081 | 6.5 MEDIUM | Cisco Unity Connection Arbitrary File Download Vulnerability |
| CVE-2026-20078 | 6.5 MEDIUM | Cisco Unity Connection Arbitrary File Download Vulnerability |
| CVE-2026-20059 | 6.1 MEDIUM | Cisco Unity Connection Reflected Cross-Site Scripting Vulnerability |
| CVE-2026-20170 | 6.1 MEDIUM | Cisco Webex Contact Center 安全漏洞 |
| CVE-2026-20136 | 6.0 MEDIUM | Cisco Identity Services Engine Authenticated Privilege Escalation Vulnerability |
| CVE-2026-20161 | 5.5 MEDIUM | Cisco ThousandEyes Enterprise Agent Arbitrary File Overwrite Vulnerability |
| CVE-2026-20148 | 4.9 MEDIUM | Cisco Identity Services Engine Path Traversal Vulnerability |
| CVE-2026-20132 | 4.8 MEDIUM | Cisco Identity Services Engine Multiple Cross-Site Scripting Vulnerabilities |
| CVE-2026-20060 | 4.7 MEDIUM | Cisco Unity Connection Open Redirect Vulnerability |
| CVE-2026-20061 | 4.3 MEDIUM | Cisco Unity Connection SQL Injection Vulnerability |
IV. Related Vulnerabilities
Same product: Cisco Secure Web Appliance
Same vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-305
- CVE-2026-6266
Aap-controller: aap-gateway: account hijacking and unauthori - CVE-2026-4670
Improper Authentication vulnerability in Progress MOVEit Aut - CVE-2026-33472
Cryptomator Hub OAuth token exchange HTTP downgrade via getA - CVE-2026-33892
Siemens Industrial Edge Management 安全漏洞 - CVE-2026-40039
Pachno 1.0.6 Open Redirection via return_to Parameter
V. Comments for CVE-2026-20152
No comments yet