CVE-2021-1578— Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability
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I. Basic Information for CVE-2021-1578
Vulnerability Information
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Vulnerability Title
Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability
Source: NVD (National Vulnerability Database)
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 authenticated, remote attacker to elevate privileges to Administrator on an affected device. This vulnerability is due to an improper policy default setting. An attacker could exploit this vulnerability by using a non-privileged credential for Cisco ACI Multi-Site Orchestrator (MSO) to send a specific API request to a managed Cisco APIC or Cloud APIC device. A successful exploit could allow the attacker to obtain Administrator credentials on the affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未能安全地进行程序失效(Failing Open)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Application Policy Infrastructure Controller 访问控制错误漏洞
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 存在访问控制错误漏洞，该漏洞源于策略默认设置不当。攻击者可以通过使用 Cisco ACI Multi-Site Orchestrator (MSO) 的非特权凭证向托管 Cisco APIC 或 Cloud APIC 设备发
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-2021-1578
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-pesc-pkmGK4Jvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1578
Same Patch Batch · Cisco · 2021-08-25 · 15 CVEs total
| CVE-2021-1577 | 9.1 CRITICAL | Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerabi |
| 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
- CVE-2026-20107
Cisco Application Policy Infrastructure Controller Denial of - CVE-2025-20119
Cisco Application Policy Infrastructure Controller Authentic - CVE-2025-20118
Cisco Application Policy Infrastructure Controller Authentic - CVE-2025-20117
Cisco Application Policy Infrastructure Controller Authentic - CVE-2025-20116
Cisco Application Policy Infrastructure Controller Stored Cr
Same vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-636
- CVE-2026-42423
OpenClaw < 2026.4.8 - strictInlineEval Approval Boundary Byp - CVE-2026-41377
OpenClaw < 2026.3.31 - Fail-Open Security Scan Bypass in Plu - CVE-2026-41334
OpenClaw < 2026.3.31 - Decompression Bomb Denial of Service - CVE-2026-40525
OpenViking < 0.3.9 Authentication Bypass via VikingBot OpenA - CVE-2026-35205
Helm's plugin verification fails open when .prov is missing,
V. Comments for CVE-2021-1578
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