high Known exploitedREV. 01
CVE-2020-17519Apache Flink — any file readable through the job manager
A change in Apache Flink 1.11.0 let anyone read files from the job manager's filesystem through its web interface, bounded only by what that process itself can open. The fix is in 1.11.3 and 1.12.0.
Read the risk
THE VITAL STATS- CVSS score
- 7.5/ 10 CVSS v3.1
- EPSS probability
- 98% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2021-01-05
- Added to KEV
- 2024-05-23
- Exploit published
- Yes
- Confidence
- high
- Kill chain
- collection
- MITRE ATT&CK
- —
- Severity
- high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attacker needsNetwork access to the job manager interface; no credentials are needed.
Fixed inApache Flink >= 1.11.3, Apache Flink >= 1.12.0
Behind the card
5 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02CISACISA Known Exploited Vulnerabilities catalogcisa.gov
- 03Vendor advisorylists.apache.orglists.apache.org
- 04Vendor advisorylists.apache.orglists.apache.org
- 05Vendor advisorylists.apache.orglists.apache.org
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_at | nvd.nist.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| exploitation.known_exploited, exploitation.kev_added | cisa.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| epss | api.first.org | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisites | nvd.nist.gov | 2026-09-24 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
First printing. This card has not been reprinted since publication.