CVE-2021-1528— Cisco SD-WAN Software Privilege Escalation Vulnerability
Quick assessment
Affected
Cisco Cisco SD-WAN Solution
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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，该漏洞允许经过身份验证的本地攻击者在受影响的系统上获得更高的特权。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1548.001 · Setuid and Setgid
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I. Basic Information for CVE-2021-1528
Vulnerability Information
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Vulnerability Title
Cisco SD-WAN Software Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges on an affected system. This vulnerability exists because the affected software does not properly restrict access to privileged processes. An attacker could exploit this vulnerability by invoking a privileged process in the affected system. A successful exploit could allow the attacker to perform actions with the privileges of the root user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
带着不必要的权限执行
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco SD-WAN Software 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，该漏洞允许经过身份验证的本地攻击者在受影响的系统上获得更高的特权。
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-2021-1528
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-1528 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-fuErCWwF vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2021-06-04 · 15 CVEs total
| CVE-2021-1540 | 8.1 HIGH | Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities |
| CVE-2021-1539 | 8.1 HIGH | Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities |
| CVE-2021-1526 | 7.8 HIGH | Cisco Webex Player Memory Corruption Vulnerability |
| CVE-2021-1503 | 7.8 HIGH | Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability |
| CVE-2021-1502 | 7.8 HIGH | Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability |
| CVE-2021-1564 | 6.5 MEDIUM | Cisco Video Surveillance 7000 Series IP Cameras Cisco Discovery and Link Layer Discovery P |
| CVE-2021-1563 | 6.5 MEDIUM | Cisco Video Surveillance 7000 Series IP Cameras Cisco Discovery and Link Layer Discovery P |
| CVE-2021-1537 | 6.2 MEDIUM | Cisco ThousandEyes Recorder Information Disclosure Vulnerability |
| CVE-2021-1544 | 5.5 MEDIUM | Cisco Webex Meetings Client Software Logging Information Disclosure Vulnerability |
| CVE-2021-1527 | 5.3 MEDIUM | Cisco Webex Player Memory Corruption Vulnerability |
| CVE-2021-1517 | 5.0 MEDIUM | Cisco Webex Meetings and Webex Meetings Server Multimedia Sharing Security Bypass Vulnerab |
| CVE-2021-1536 | 4.8 MEDIUM | Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulner |
| CVE-2021-1538 | 4.7 MEDIUM | Cisco Common Services Platform Collector Command Injection Vulnerability |
| CVE-2021-1525 | 4.7 MEDIUM | Cisco Webex Meetings and Webex Meetings Server File Redirect Vulnerability |
IV. Related Vulnerabilities
Same product: Cisco SD-WAN Solution
-
CVE-2023-20262
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CVE-2021-1546
Cisco SD-WAN Software Information Disclosure Vulnerability
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Privilege Escalation vulnerability
V. Comments for CVE-2021-1528
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