#VU49273 Information disclosure in Flink - CVE-2020-17519

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Main Vulnerability Database Vulnerabilities #VU49273

#VU49273 Information disclosure in Flink - CVE-2020-17519

Published: January 5, 2021 / Updated: August 1, 2025


Vulnerability identifier: #VU49273
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2020-17519
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Flink
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to application allows to read arbitrary files on the system of the JobManager through the REST interface of the JobManager process. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install updates from vendor's website.

External links