CVE-2020-17519
Summary
| CVE | CVE-2020-17519 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-01-05 12:15:00 UTC |
| Updated | 2023-11-07 03:19:00 UTC |
| 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. |
Risk And Classification
EPSS: 0.978560000 probability, percentile 0.999010000 (date 2026-07-12)
CISA KEV: Listed on 2024-05-23; due 2024-06-13; ransomware use Unknown
Problem Types: CWE-552
CISA Known Exploited Vulnerability
| Vendor | Apache |
|---|---|
| Product | Flink |
| Name | Apache Flink Improper Access Control Vulnerability |
| Required Action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
| Notes | This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://lists.apache.org/thread/typ0h03zyfrzjqlnb7plh64df1g2383d; https://nvd.nist.gov/vuln/detail/CVE-2020-17519 |
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Exploit, Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MISC | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | lists.apache.org | ||
| oss-security - [CVE-2020-17519] Apache Flink directory traversal attack: reading remote files through the REST API | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Apache Flink 1.11.0 Arbitrary File Read / Directory Traversal ≈ Packet Storm | MISC | packetstormsecurity.com | Exploit, Third Party Advisory, VDB Entry |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | MISC | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | MLIST | lists.apache.org | Mailing List, Vendor Advisory |
| Pony Mail! | lists.apache.org | ||
| Pony Mail! | lists.apache.org | ||
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
Vendor Comments And Credit
Discovery Credit
LEGACY: 0rich1 of Ant Security FG Lab