CVE-2021-1428— Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities
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I. Basic Information for CVE-2021-1428
Vulnerability Information
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Vulnerability Title
Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple vulnerabilities in the install, uninstall, and upgrade processes of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to hijack DLL or executable files that are used by the application. A successful exploit could allow the attacker to execute arbitrary code on an affected device with SYSTEM privileges. To exploit these vulnerabilities, the attacker must have valid credentials on the Windows system. For more information about these vulnerabilities, see the Details section of this advisory.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
创建拥有不安全权限的临时文件
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco AnyConnect Secure Mobility Client for Windows 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco AnyConnect Secure Mobility Client for Windows是美国思科（Cisco）公司的一款基于Windows平台的可通过任何设备安全访问网络和应用的安全移动客户端。 Cisco AnyConnect Secure Mobility Client for Windows 存在安全漏洞，该漏洞允许经过身份验证的本地攻击者执行以下操作： 在受影响的设备上执行DLL劫持攻击。
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 AnyConnect Secure Mobility Client | n/a | - |
II. Public POCs for CVE-2021-1428
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-code-exec-jR3tWTA6vendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1428
Same Patch Batch · Cisco · 2021-05-06 · 41 CVEs total
| CVE-2021-1275 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1468 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1497 | 9.8 CRITICAL | Cisco HyperFlex HX Command Injection Vulnerabilities |
| CVE-2021-1498 | 9.8 CRITICAL | Cisco HyperFlex HX Command Injection Vulnerabilities |
| CVE-2021-1505 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1506 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1508 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1284 | 8.8 HIGH | Cisco SD-WAN vManage Software Authentication Bypass Vulnerability |
| CVE-2021-1400 | 8.8 HIGH | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities |
| CVE-2021-1401 | 8.8 HIGH | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities |
| CVE-2021-1421 | 7.8 HIGH | Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability |
| CVE-2021-1513 | 7.5 HIGH | Cisco SD-WAN Software vDaemon Denial of Service Vulnerability |
| CVE-2021-1511 | 7.5 HIGH | Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities |
| CVE-2021-1510 | 7.5 HIGH | Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities |
| CVE-2021-1509 | 7.5 HIGH | Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities |
| CVE-2021-1365 | 7.1 HIGH | Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerabilities |
| CVE-2021-1363 | 7.1 HIGH | Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerabilities |
| CVE-2021-1426 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
| CVE-2021-1429 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
| CVE-2021-1427 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
Showing top 20 of 41 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Cisco AnyConnect Secure Mobility Client
- CVE-2021-40124
Cisco AnyConnect Secure Mobility Client for Windows with Net - CVE-2021-34788
Cisco AnyConnect Secure Mobility Client for Linux and Mac OS - CVE-2021-1567
Cisco AnyConnect Secure Mobility Client for Windows with VPN - CVE-2021-1568
Cisco AnyConnect Secure Mobility Client for Windows Denial o - CVE-2021-1519
Cisco AnyConnect Secure Mobility Client Profile Modification
Same vendor: Cisco
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Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
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Same weakness: CWE-378
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JumpCloud Remote Assist < 0.317.0 Arbitrary File Write/Delet
V. Comments for CVE-2021-1428
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