High severity7.5CISA KEVNVD Advisory· Published Jan 5, 2021· Updated Jun 17, 2026
CVE-2020-17519
CVE-2020-17519
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.flink:flink-runtime_2.11Maven | >= 1.11.0, < 1.11.3 | 1.11.3 |
org.apache.flink:flink-runtime_2.12Maven | >= 1.11.0, < 1.11.3 | 1.11.3 |
Affected products
5- osv-coords3 versionspkg:bitnami/flinkpkg:maven/org.apache.flink/flink-runtime_2.11pkg:maven/org.apache.flink/flink-runtime_2.12
>= 1.11.0, < 1.11.3+ 2 more
- (no CPE)range: >= 1.11.0, < 1.11.3
- (no CPE)range: >= 1.11.0, < 1.11.3
- (no CPE)range: >= 1.11.0, < 1.11.3
- Apache Software Foundation/Apache Flinkv5Range: Apache Flink 1.11.0 to 1.11.2
Patches
Vulnerability mechanics
References
33- packetstormsecurity.com/files/160849/Apache-Flink-1.11.0-Arbitrary-File-Read-Directory-Traversal.htmlnvdExploitThird Party AdvisoryVDB EntryWEB
- www.openwall.com/lists/oss-security/2021/01/05/2nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-395w-qhqr-9fr6ghsaADVISORY
- lists.apache.org/thread.html/r4e1b72bfa789ea5bc20b8afe56119200ed25bdab0eb80d664fa5bfe2%40%3Cdev.flink.apache.org%3EnvdMailing ListVendor AdvisoryWEB
- lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d%40%3Cannounce.apache.org%3EnvdMailing ListVendor AdvisoryWEB
- lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d%40%3Cdev.flink.apache.org%3EnvdMailing ListVendor AdvisoryWEB
- lists.apache.org/thread.html/r88b55f3ebf1f8f4e1cc61f030252aaef4b77060b56557a243abb92a1%40%3Cissues.flink.apache.org%3EnvdMailing ListVendor AdvisoryWEB
- lists.apache.org/thread.html/r88f427865fb6aa6e6378efe07632a1906b430365e15e3b9621aabe1d%40%3Cissues.flink.apache.org%3EnvdMailing ListVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2020-17519ghsaADVISORY
- lists.apache.org/thread.html/r0a433be10676f4fe97ca423d08f914e0ead341c901216f292d2bbe83%40%3Cissues.flink.apache.org%3EnvdMailing ListWEB
- lists.apache.org/thread.html/r0a433be10676f4fe97ca423d08f914e0ead341c901216f292d2bbe83@%3Cissues.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3EnvdMailing ListWEB
- lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7@%3Cannounce.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1%40%3Cdev.flink.apache.org%3EnvdIssue TrackingWEB
- lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1@%3Cdev.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d%40%3Cuser-zh.flink.apache.org%3EnvdIssue TrackingWEB
- lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d@%3Cuser-zh.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034%40%3Cissues.flink.apache.org%3EnvdIssue TrackingWEB
- lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034@%3Cissues.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r2fc60b30557e4a537c2a6293023049bd1c49fd92b518309aa85a0398%40%3Cissues.flink.apache.org%3EnvdIssue TrackingWEB
- lists.apache.org/thread.html/r2fc60b30557e4a537c2a6293023049bd1c49fd92b518309aa85a0398@%3Cissues.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r4e1b72bfa789ea5bc20b8afe56119200ed25bdab0eb80d664fa5bfe2@%3Cdev.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d%40%3Cuser.flink.apache.org%3EnvdIssue TrackingWEB
- lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d@%3Cannounce.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d@%3Cdev.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d@%3Cuser.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r88b55f3ebf1f8f4e1cc61f030252aaef4b77060b56557a243abb92a1@%3Cissues.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r88f427865fb6aa6e6378efe07632a1906b430365e15e3b9621aabe1d@%3Cissues.flink.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3EnvdMailing ListNot ApplicableWEB
- lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922@%3Cannounce.apache.org%3EghsaWEB
- lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f%40%3Cdev.flink.apache.org%3EnvdIssue TrackingWEB
- lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f@%3Cdev.flink.apache.org%3EghsaWEB
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government ResourceWEB
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