CVE-2019-1851— Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability
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I. Basic Information for CVE-2019-1851
Vulnerability Information
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Vulnerability Title
Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the External RESTful Services (ERS) API of the Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to generate arbitrary certificates signed by the Internal Certificate Authority (CA) Services on ISE. This vulnerability is due to an incorrect implementation of role-based access control (RBAC). An attacker could exploit this vulnerability by crafting a specific HTTP request with administrative credentials. A successful exploit could allow the attacker to generate a certificate that is signed and trusted by the ISE CA with arbitrary attributes. The attacker could use this certificate to access other networks or assets that are protected by certificate authentication.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Identity Services Engine 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Identity Services Engine（ISE）是美国思科（Cisco）公司的一款基于身份的环境感知平台（ISE身份服务引擎）。该平台通过收集网络、用户和设备中的实时信息，制定并实施相应策略来监管网络。 Cisco ISE中的External RESTful Services (ERS) API存在授权问题漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
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 Identity Services Engine Software | unspecified ~ n/a | - |
II. Public POCs for CVE-2019-1851
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ise-certcreationvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2019-1851
Same Patch Batch · Cisco · 2019-05-16 · 18 CVEs total
| CVE-2019-1832 | Cisco Firepower Threat Defense Software Detection Engine Policy Bypass Vulnerability | |
| CVE-2019-1825 | Cisco Prime Infrastructure and Evolved Programmable Network Manager SQL Injection Vulnerab | |
| CVE-2019-1824 | Cisco Prime Infrastructure and Evolved Programmable Network Manager SQL Injection Vulnerab | |
| CVE-2019-1823 | Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution | |
| CVE-2019-1822 | Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution | |
| CVE-2019-1821 | Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution | |
| CVE-2019-1820 | Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnera | |
| CVE-2019-1819 | Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnera | |
| CVE-2019-1818 | Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnera | |
| CVE-2019-1780 | Cisco FXOS and NX-OS Software Command Injection Vulnerability | |
| CVE-2019-1860 | Cisco Unified Intelligence Center Remote File Injection Vulnerability | |
| CVE-2019-1858 | Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnera | |
| CVE-2019-1853 | Cisco AnyConnect Secure Mobility Client for Linux Out-of-Bounds Memory Read Vulnerability | |
| CVE-2019-1849 | Cisco IOS XR Software BGP MPLS-Based EVPN Denial of Service Vulnerability | |
| CVE-2019-1846 | Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers MPLS OAM Deni | |
| CVE-2019-1833 | Cisco Firepower Threat Defense Software SSL/TLS Policy Bypass Vulnerability | |
| CVE-2019-1768 | Cisco NX-OS Software Buffer Overflow and Command Injection Vulnerability |
IV. Related Vulnerabilities
Same product: Cisco Identity Services Engine Software
- CVE-2026-20193
Cisco Identity Services Engine Authentication Bypass Vulnera - CVE-2026-20195
Cisco Identity Services Engine Observable Response Discrepan - CVE-2026-20136
Cisco Identity Services Engine Authenticated Privilege Escal - CVE-2026-20180
Cisco Identity Services Engine Multiple Remote Code Executio - CVE-2026-20186
Cisco Identity Services Engine Multiple Authenticated Remote
Same vendor: Cisco
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Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
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Same weakness: CWE-285
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