All vulnerabilities
CVE-2020-17519

Apache Flink Improper Access Control Vulnerability

Apache Flink
Open in ThreatlineRecord JSON
CVSS
9.1Critical
ExploitationExploited in the wildAdded to KEV 23 May 2024CISA KEV
Exploit odds (EPSS)97.8%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline13 Jun 2024Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 5 Jan 2021, 11:40 UTCPublishedCVE List
  2. 5 Jan 2021Exploit code publicMetasploit
  3. 23 May 2024Added to CISA KEVCISA KEV

Public exploit code and templates 3

  • Auxiliary moduleApache Flink JobManager Traversal 5 Jan 2021Metasploit
  • Webapps exploitApache Flink 1.11.0 - Unauthenticated Arbitrary File Read (Metasploit) 8 Jan 2021Exploit-DB
  • Scanner templateApache Flink - Local File InclusionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Apache Flink contains an improper access control vulnerability that allows an attacker to read any file on the local filesystem of the JobManager through its REST interface.

Text from CVE List

Affected versions 1

  • Apache Flinkaffected: Apache Flink 1.11.0 to 1.11.2CVE List

References 16