CVE-2020-8260

CVE Published	2020-10-28
Related CWE(s)	CWE-434: Unrestricted Upload of File with Dangerous Type
Related Vendor(s)	pulsesecure
Related Product(s)	pulse_secure_desktop_client
Exploitation Reported (CISA KEV)	2021-11-03
CVSS 3 Base Score	7.2 (HIGH)
CVSS 3 Attack Complexity	LOW
CVSS 3 Attack Vector	NETWORK

A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.

Cyber Threat Graph Context

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Associated CAPEC Patterns

Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1)

In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.

References

CVE.org

View more information about CVE-2020-8260 on the official MITRE CVE website.

NIST National Vulnerability Database

CVE-2020-8260 on the NIST NVD.

CISA Known Exploited Vulnerabilities