CVE-2021-1546— Cisco SD-WAN Software Information Disclosure Vulnerability
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I. Basic Information for CVE-2021-1546
Vulnerability Information
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Vulnerability Title
Cisco SD-WAN Software Information Disclosure 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 access sensitive information. This vulnerability is due to improper protections on file access through the CLI. An attacker could exploit this vulnerability by running a CLI command that targets an arbitrary file on the local system. A successful exploit could allow the attacker to return portions of an arbitrary file, possibly resulting in the disclosure of sensitive information.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过错误消息导致的信息暴露
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 存在安全漏洞，该漏洞源于对通过CLI访问文件的保护不当造成的。漏洞可能允许经过身份验证的本地攻击者利用该漏洞访问敏感信息。攻击者可以通过运行针对本地系统上任意文件的CLI命令来利用这个漏洞。成功的攻击可以允许攻击者可利用该漏洞返回任意文件的一部分，可能导致敏感信息的泄露。
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-2021-1546
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-Fhqh8pKXvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1546
Same Patch Batch · Cisco · 2021-09-23 · 33 CVEs total
| CVE-2021-34770 | 10.0 CRITICAL | Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Exe |
| CVE-2021-34727 | 9.8 CRITICAL | Cisco IOS XE SD-WAN Software Buffer Overflow Vulnerability |
| CVE-2021-1619 | 9.8 CRITICAL | Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability |
| CVE-2021-1624 | 8.6 HIGH | Cisco IOS XE Software Rate Limiting Network Address Translation Denial of Service Vulnerab |
| CVE-2021-1622 | 8.6 HIGH | Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Servi |
| CVE-2021-34768 | 8.6 HIGH | Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi |
| CVE-2021-34769 | 8.6 HIGH | Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi |
| CVE-2021-1615 | 8.6 HIGH | Cisco Embedded Wireless Controller Software for Catalyst Access Points Denial of Service V |
| CVE-2021-1611 | 8.6 HIGH | Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers EoGRE Denial of Servic |
| CVE-2021-1565 | 8.6 HIGH | Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi |
| CVE-2021-1419 | 7.8 HIGH | Cisco Access Points SSH Management Privilege Escalation Vulnerability |
| CVE-2021-1623 | 7.7 HIGH | Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Simple Network Managemen |
| CVE-2021-34699 | 7.7 HIGH | Cisco IOS and IOS XE Software TrustSec CLI Parser Denial of Service Vulnerability |
| CVE-2021-1620 | 7.7 HIGH | Cisco IOS and IOS XE Software IKEv2 AutoReconnect Feature Denial of Service Vulnerability |
| CVE-2021-34767 | 7.4 HIGH | Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service |
| CVE-2021-1621 | 7.4 HIGH | Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability |
| CVE-2021-34740 | 7.4 HIGH | Cisco Aironet Access Points WLAN Control Protocol Packet Buffer Leak Denial of Service Vul |
| CVE-2021-34714 | 7.4 HIGH | Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerabi |
| CVE-2021-34703 | 6.8 MEDIUM | Cisco IOS and IOS XE Software Link Layer Discovery Protocol Denial of Service Vulnerabilit |
| CVE-2021-34729 | 6.7 MEDIUM | Cisco IOS XE SD-WAN Software Command Injection Vulnerability |
Showing top 20 of 33 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-2021-34726
Cisco SD-WAN Software Command Injection Vulnerability
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V. Comments for CVE-2021-1546
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