CVE-2021-1489— Cisco Firepower Device Manager Software Filesystem Space Exhaustion Denial of Service Vulnerability
Quick assessment
Affected
Cisco Cisco Firepower Threat Defense Software
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 Firepower Device Manager（FDM）是美国思科（Cisco）公司的一款防火墙设备管理器。该产品支持访问规则配置、系统监控等功能。 Cisco Firepower Device Manager 存在资源管理错误漏洞，该漏洞允许经过身份验证的远程攻击者可利用该漏洞耗尽文件系统资源，导致受影响的设备出现拒绝服务(DoS)状态。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2021-1489
Vulnerability Information
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Vulnerability Title
Cisco Firepower Device Manager Software Filesystem Space Exhaustion Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in filesystem usage management for Cisco Firepower Device Manager (FDM) Software could allow an authenticated, remote attacker to exhaust filesystem resources, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to the insufficient management of available filesystem resources. An attacker could exploit this vulnerability by uploading files to the device and exhausting available filesystem resources. A successful exploit could allow the attacker to cause database errors and cause the device to become unresponsive to web-based management. Manual intervention is required to free filesystem resources and return the device to an operational state.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Firepower Device Manager 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Firepower Device Manager（FDM）是美国思科（Cisco）公司的一款防火墙设备管理器。该产品支持访问规则配置、系统监控等功能。 Cisco Firepower Device Manager 存在资源管理错误漏洞，该漏洞允许经过身份验证的远程攻击者可利用该漏洞耗尽文件系统资源，导致受影响的设备出现拒绝服务(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 Firepower Threat Defense Software | n/a | - |
|
II. Public POCs for CVE-2021-1489
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-1489 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fdm-dos-nFES8xTN vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2021-04-29 · 17 CVEs total
| CVE-2021-1445 | 8.6 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi |
| CVE-2021-1501 | 8.6 HIGH | Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP |
| CVE-2021-1504 | 8.6 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi |
| CVE-2021-1493 | 8.5 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi |
| CVE-2021-1476 | 6.7 MEDIUM | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Command I |
| CVE-2021-1488 | 6.7 MEDIUM | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firep |
| CVE-2021-1256 | 6.0 MEDIUM | Cisco Firepower Threat Defense Software Command File Overwrite Vulnerability |
| CVE-2021-1495 | 5.8 MEDIUM | Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability |
| CVE-2021-1369 | 5.4 MEDIUM | Cisco Firepower Device Manager On-Box Software XML External Entity Vulnerability |
| CVE-2021-1456 | 4.8 MEDIUM | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities |
| CVE-2021-1457 | 4.8 MEDIUM | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities |
| CVE-2021-1458 | 4.8 MEDIUM | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities |
| CVE-2021-1477 | 4.3 MEDIUM | Cisco Firepower Management Center Software Policy Vulnerability |
| CVE-2021-1402 | Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerabil | |
| CVE-2021-1448 | Cisco Firepower Threat Defense Software Command Injection Vulnerability | |
| CVE-2021-1455 | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities |
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V. Comments for CVE-2021-1489
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