// For flags

CVE-2021-34706

Cisco Identity Services Engine XML External Entity Injection Vulnerability

Severity Score

5.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to access sensitive information or conduct a server-side request forgery (SSRF) attack through an affected device. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by uploading a crafted XML file that contains references to external entities. A successful exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information, or cause the web application to perform arbitrary HTTP requests on behalf of the attacker.

Una vulnerabilidad en la interfaz de administración basada en web de Cisco Identity Services Engine (ISE) podría permitir a un atacante remoto autenticado acceder a información confidencial o realizar un ataque de tipo server-side request forgery (SSRF) mediante un dispositivo afectado. Esta vulnerabilidad es debido al manejo inapropiado de las entradas de tipo XML External Entity (XXE) cuando se analizan determinados archivos XML. Un atacante podría explotar esta vulnerabilidad al cargar un archivo XML diseñado que contenga referencias a entidades externas. Una explotación con éxito podría permitir al atacante recuperar archivos del sistema local, resultando en la divulgación de información confidencial, o causar que la aplicación web lleve a cabo peticiones HTTP arbitrarias en nombre del atacante

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2021-06-15 CVE Reserved
  • 2021-10-06 CVE Published
  • 2023-04-29 EPSS Updated
  • 2024-11-07 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-611: Improper Restriction of XML External Entity Reference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
 Identity Services Engine
Search vendor "Cisco" for product "Identity Services Engine"
 <= 3.1
Search vendor "Cisco" for product "Identity Services Engine" and version " <= 3.1"
-
Affected
Cisco
Search vendor "Cisco"
 Identity Services Engine
Search vendor "Cisco" for product "Identity Services Engine"
 3.1\(0.518\)
Search vendor "Cisco" for product "Identity Services Engine" and version "3.1\(0.518\)"
-
Affected
Cisco
Search vendor "Cisco"
 Identity Services Engine
Search vendor "Cisco" for product "Identity Services Engine"
 3.2\(0.149\)
Search vendor "Cisco" for product "Identity Services Engine" and version "3.2\(0.149\)"
-
Affected