CVE-2020-17519
Actively exploited. CVE-2020-17519 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-05-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2020-17519 is indexed in Metasploit, Exploit-DB, GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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.
CSIRTS triage
- What
- Apache Flink has an improper access control vulnerability that allows file reading on the local filesystem of the JobManager through its REST interface.
- Who is affected
- Deployments of Apache Flink are affected by this vulnerability.
- Urgency
- Remediation is critical as the vulnerability is actively exploited.
- Action
- Apply the latest security updates for Apache Flink.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2020-17519
Get an email if CVE-2020-17519 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2020-17519 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2020-17519: Apache Flink Improper Access Control Vulnerabilitycisa-kev · 2024-05-23
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2020-17519)