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CVE-2021-1577— Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability

Quick assessment

Affected
Cisco Cisco Application Policy Infrastructure Controller (APIC)
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 Application Policy Infrastructure Controller（APIC）是美国思科（Cisco）公司的一款自动化的基础架构部署和治理解决方案。 Cisco Application Policy Infrastructure Controller 存在安全漏洞，该漏洞源于访问控制不当造成的。攻击者可以通过使用特定 API 端点将文件上传到受影响的设备来利用此漏洞。成功的利用可能允许攻击者在受影响的设备上读取或写入任意文件。

CVSS 9.1 · Critical EPSS 1.30% · P69
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I. Basic Information for CVE-2021-1577

Vulnerability Information
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Vulnerability Title
Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an unauthenticated, remote attacker to read or write arbitrary files on an affected system. This vulnerability is due to improper access control. An attacker could exploit this vulnerability by using a specific API endpoint to upload a file to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on an affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Application Policy Infrastructure Controller 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Application Policy Infrastructure Controller（APIC）是美国思科（Cisco）公司的一款自动化的基础架构部署和治理解决方案。 Cisco Application Policy Infrastructure Controller 存在安全漏洞，该漏洞源于访问控制不当造成的。攻击者可以通过使用特定 API 端点将文件上传到受影响的设备来利用此漏洞。成功的利用可能允许攻击者在受影响的设备上读取或写入任意文件。
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 Application Policy Infrastructure Controller (APIC) n/a -

II. Public POCs for CVE-2021-1577

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III. Intelligence Information for CVE-2021-1577

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Vendor Advisories for CVE-2021-1577 (1)

Same Patch Batch · Cisco · 2021-08-25 · 15 CVEs total

CVE-2021-1578 8.8 HIGH Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability
CVE-2021-1588 8.6 HIGH Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability
CVE-2021-1587 8.6 HIGH Cisco NX-OS Software VXLAN OAM (NGOAM) Denial of Service Vulnerability
CVE-2021-1586 8.6 HIGH Cisco Nexus 9000 Series Fabric Switches ACI Mode Multi-Pod and Multi-Site TCP Denial of Se
CVE-2021-1523 8.6 HIGH Cisco Nexus 9000 Series Fabric Switches ACI Mode Queue Wedge Denial of Service Vulnerabili
CVE-2021-1579 8.1 HIGH Cisco Application Policy Infrastructure Controller App Privilege Escalation Vulnerability
CVE-2021-1581 6.5 MEDIUM Cisco Application Policy Infrastructure Controller Command Injection and File Upload Vulne
CVE-2021-1580 6.5 MEDIUM Cisco Application Policy Infrastructure Controller Command Injection and File Upload Vulne
CVE-2021-1584 6.0 MEDIUM Cisco Nexus 9000 Series Fabric Switches ACI Mode Privilege Escalation Vulnerability
CVE-2021-1591 5.8 MEDIUM Cisco Nexus 9500 Series Switches Access Control List Bypass Vulnerability
CVE-2021-1582 5.4 MEDIUM Cisco Application Policy Infrastructure Controller Stored Cross-Site Scripting Vulnerabili
CVE-2021-1590 5.3 MEDIUM Cisco NX-OS Software system login block-for Denial of Service Vulnerability
CVE-2021-1583 4.4 MEDIUM Cisco Nexus 9000 Series Fabric Switches ACI Mode Arbitrary File Read Vulnerability
CVE-2021-1592 4.3 MEDIUM Cisco UCS Manager Software SSH Sessions Denial of Service Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Application Policy Infrastructure Controller (APIC)
Same vendor: Cisco
Same weakness: CWE-284

V. Comments for CVE-2021-1577

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