CVE-2021-1558— Cisco DNA Spaces Connector Privilege Escalation Vulnerabilities
Quick assessment
Affected
Cisco Cisco DNA Spaces Connector
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 DNA Spaces是美国思科（Cisco）公司的一套室内定位服务平台。 Cisco DNA Spaces Connector 2.3.1之前版本存在操作系统命令注入漏洞，攻击者可利用该漏洞目标系统上执行任意的操作系统命令。
Possible ATT&CK Techniques 2 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-1558
Vulnerability Information
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Vulnerability Title
Cisco DNA Spaces Connector Privilege Escalation Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in Cisco DNA Spaces Connector could allow an authenticated, local attacker to elevate privileges and execute arbitrary commands on the underlying operating system as root. These vulnerabilities are due to insufficient restrictions during the execution of affected CLI commands. An attacker could exploit these vulnerabilities by leveraging the insufficient restrictions during execution of these commands. A successful exploit could allow the attacker to elevate privileges from dnasadmin and execute arbitrary commands on the underlying operating system as root.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco DNA Spaces Connector 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco DNA Spaces是美国思科（Cisco）公司的一套室内定位服务平台。 Cisco DNA Spaces Connector 2.3.1之前版本存在操作系统命令注入漏洞，攻击者可利用该漏洞目标系统上执行任意的操作系统命令。
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 DNA Spaces Connector | n/a | - |
|
II. Public POCs for CVE-2021-1558
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-1558 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnasp-conn-prvesc-q6T6BzW vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2021-05-22 · 18 CVEs total
| CVE-2021-1487 | 8.8 HIGH | Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Command Injectio |
| CVE-2021-1531 | 8.8 HIGH | Cisco Modeling Labs Web UI Command Injection Vulnerability |
| CVE-2021-1559 | 6.5 MEDIUM | Cisco DNA Spaces Connector Command Injection Vulnerabilities |
| CVE-2021-1560 | 6.5 MEDIUM | Cisco DNA Spaces Connector Command Injection Vulnerabilities |
| CVE-2021-1557 | 6.0 MEDIUM | Cisco DNA Spaces Connector Privilege Escalation Vulnerabilities |
| CVE-2021-1254 | 4.8 MEDIUM | Cisco Finesse Cross-Site Scripting Vulnerabilities |
| CVE-2021-1549 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1548 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1547 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1358 | 4.7 MEDIUM | Cisco Finesse Open Redirect Vulnerability |
| CVE-2021-1555 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1554 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1553 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1552 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1551 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1550 | 4.7 MEDIUM | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul |
| CVE-2021-1306 | 4.4 MEDIUM | Cisco ADE-OS Local File Inclusion Vulnerability |
IV. Related Vulnerabilities
Same product: Cisco DNA Spaces Connector
-
CVE-2025-20308
Cisco Spaces Connector Privilege Escalation Vulnerability -
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Cisco DNA Spaces Connector Command Injection Vulnerabilities -
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Cisco DNA Spaces Connector Command Injection Vulnerabilities -
CVE-2021-1557
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CVE-2020-3586
Cisco DNA Spaces Connector Command Injection Vulnerability
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V. Comments for CVE-2021-1558
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