Vulnerability record

CVE-2020-17519

A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.

Full record read. Reported values and explicit gaps below come from the tracked record. Tracker snapshot: Aug 8, 2026.

What it is

Reported

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. Source description excerpt; complete tracked detail loads below.

NVD published: Jan 5, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What is affected

Reported

Apache — Flink. Product-level identification only; no affected-version conclusion is available from this field.

NVD published: Jan 5, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Urgency and basis

Reported

Act · 457.6

Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Exploitation evidence

Reported

kev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog

Active since: May 23, 2024 · CISA KEV added: May 23, 2024 · VulnCheck KEV added: Apr 12, 2021 · ENISA added: May 23, 2024 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What to do

Reported

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Source remediation ↗

Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Evidence detail

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