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CVE-2021-1393— Cisco Application Services Engine Unauthorized Access Vulnerabilities

Quick assessment

Affected
Cisco Cisco Application Services Engine 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 Application Services Engine是美国思科（Cisco）公司的一套用于部署Cisco数据中心应用的通用平台。 Cisco Application Services Engine 存在安全漏洞，该漏洞允许未经身份验证的远程攻击者获得对主机级操作的特权访问或学习特定于设备的信息。

CVSS 9.8 · Critical EPSS 2.25% · P81

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-1393

Vulnerability Information
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Vulnerability Title
Cisco Application Services Engine Unauthorized Access Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in Cisco Application Services Engine could allow an unauthenticated, remote attacker to gain privileged access to host-level operations or to learn device-specific information, create diagnostic files, and make limited configuration changes. For more information about these vulnerabilities, see the Details section of this advisory.
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Application Services Engine 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Application Services Engine是美国思科（Cisco）公司的一套用于部署Cisco数据中心应用的通用平台。 Cisco Application Services Engine 存在安全漏洞，该漏洞允许未经身份验证的远程攻击者获得对主机级操作的特权访问或学习特定于设备的信息。
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 Services Engine Software n/a -

II. Public POCs for CVE-2021-1393

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III. Intelligence Information for CVE-2021-1393

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Vendor Advisories for CVE-2021-1393 (1)

Same Patch Batch · Cisco · 2021-02-24 · 13 CVEs total

CVE-2021-1388 10.0 CRITICAL Cisco ACI Multi-Site Orchestrator Application Services Engine Deployment Authentication By
CVE-2021-1361 9.8 CRITICAL Cisco NX-OS Software Unauthenticated Arbitrary File Actions Vulnerability
CVE-2021-1396 9.8 CRITICAL Cisco Application Services Engine Unauthorized Access Vulnerabilities
CVE-2021-1368 8.8 HIGH Cisco FXOS and NX-OS Software Unidirectional Link Detection Denial of Service and Arbitrar
CVE-2021-1230 8.6 HIGH Cisco Nexus 9000 Series Fabric Switches ACI Mode BGP Route Installation Denial of Service
CVE-2021-1387 8.6 HIGH Cisco NX-OS Software IPv6 Netstack Denial of Service Vulnerability
CVE-2021-1228 7.4 HIGH Cisco Nexus 9000 Series Fabric Switches ACI Mode Fabric Infrastructure VLAN Unauthorized A
CVE-2021-1229 5.8 MEDIUM Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability
CVE-2021-1450 5.5 MEDIUM Cisco AnyConnect Secure Mobility Client Denial of Service Vulnerability
CVE-2021-1231 4.7 MEDIUM Cisco Nexus 9000 Series Fabric Switches ACI Mode Link Layer Discovery Protocol Port Denial
CVE-2021-1367 4.3 MEDIUM Cisco NX-OS Software Protocol Independent Multicast Denial of Service Vulnerability
CVE-2021-1227 Cisco NX-OS Software NX-API Cross-Site Request Forgery Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Application Services Engine Software
Same vendor: Cisco
Same weakness: CWE-306

V. Comments for CVE-2021-1393

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