CVE-2021-1512— Cisco SD-WAN Software Arbitrary File Corruption Vulnerability
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I. Basic Information for CVE-2021-1512
Vulnerability Information
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Vulnerability Title
Cisco SD-WAN Software Arbitrary File Corruption Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system of an affected system. This vulnerability is due to insufficient validation of the user-supplied input parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content in any arbitrary files that reside on the underlying host file system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对外部实体的文件或目录可访问
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco SD-WAN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco SD-WAN是美国思科（Cisco）公司的一种高度安全的云规模架构，具有开放性、可编程性和可扩展性。 Cisco SD-WAN Software 存在安全漏洞，本地攻击者可利用该漏洞覆盖受影响系统的底层文件系统中的任意文件。
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-2021-1512
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfile-7Qhd9mCnvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1512
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-2021-1508 | 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-2021-1511 | 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-2021-1513 | 7.5 HIGH | Cisco SD-WAN Software vDaemon Denial of Service Vulnerability |
| 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-2021-1427 | 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 |
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
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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-552
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Unauthorized Arbitrary File Read via RMI in AdminServer Inte - CVE-2019-25709
CF Image Hosting Script 1.6.5 Unauthorized Database Access - CVE-2026-33698
Chamilo LMS affected by unauthenticated RCE in main/install - CVE-2021-47960
Synology SSL VPN Client 安全漏洞 - CVE-2026-35446
LORIS has a path traversal in FilesDownloadHandler
V. Comments for CVE-2021-1512
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