HIGH CISA KEV

CVE-2020-17519

CVSS v3

7.5

HIGH

EPSS Score

94.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

A change introduced in Apache Flink 1.11.0 (and released in 1.11.1 and 1.11.2 as well) allows attackers to read any file on the local filesystem of the JobManager through the REST interface of the JobManager process. Access is restricted to files accessible by the JobManager process. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit b561010b0ee741543c3953306037f00d7a9f0801 from apache/flink:master.

CISA Known Exploited Vulnerability

Date Added
5/23/2024
Patch Due Date
6/13/2024
Ransomware Use
Unknown

Technical details

Published
1/5/2021

Frequently asked questions

What is CVE-2020-17519?

A change introduced in Apache Flink 1.11.0 (and released in 1.11.1 and 1.11.2 as well) allows attackers to read any file on the local filesystem of the JobManager through the REST interface of the JobManager process. Access is restricted to files accessible by the JobManager process. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit b561010b0ee741543c3953306037f00d7a9f0801 from apache/flink:master.

Is CVE-2020-17519 actively exploited?

Yes. CVE-2020-17519 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 6/13/2024.

What is the CVSS score for CVE-2020-17519?

CVE-2020-17519 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-17519 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.