CVE-2021-1513— Cisco SD-WAN Software vDaemon Denial of Service Vulnerability
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I. Basic Information for CVE-2021-1513
Vulnerability Information
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Vulnerability Title
Cisco SD-WAN Software vDaemon Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the vDaemon process of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco SD-WAN vManage 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco SD-WAN vManage是美国思科（Cisco）公司的一个高度可定制的仪表板。可简化和自动化 Cisco SD-WAN 的部署、配置、管理和操作。 Cisco SD-WAN vManage Software 存在输入验证错误漏洞，未经认证的远程攻击者可利用该漏洞导致设备重新加载，从而导致拒绝服务(DoS)状态。
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 SD-WAN Solution | n/a | - |
II. Public POCs for CVE-2021-1513
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dos-Ckn5cVqWvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1513
Same Patch Batch · Cisco · 2021-05-06 · 41 CVEs total
| CVE-2021-1508 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| 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-2021-1506 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1505 | 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-2021-1510 | 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-2021-1511 | 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-2021-1427 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
| CVE-2021-1426 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
| CVE-2021-1430 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
| CVE-2021-1496 | 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 SD-WAN Solution
- CVE-2023-20262
Cisco Catalyst SD-WAN Manager 安全漏洞 - CVE-2022-20850
Cisco SD-WAN Arbitrary File Deletion Vulnerability - CVE-2022-20818
Cisco SD-WAN Software Privilege Escalation Vulnerabilities - CVE-2022-20716
Cisco SD-WAN Solution Improper Access Control Vulnerability - CVE-2021-1546
Cisco SD-WAN Software Information Disclosure Vulnerability
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-20
V. Comments for CVE-2021-1513
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