Vulnerability Details : CVE-2020-17519
Public exploit exists!
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.
Products affected by CVE-2020-17519
- cpe:2.3:a:apache:flink:*:*:*:*:*:*:*:*
CVE-2020-17519 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Apache Flink Improper Access Control Vulnerability
CISA required action:
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA description:
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.
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:/
Added on
2024-05-23
Action due date
2024-06-13
Exploit prediction scoring system (EPSS) score for CVE-2020-17519
97.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2020-17519
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Apache Flink JobManager Traversal
Disclosure Date: 2021-01-05First seen: 2021-03-12auxiliary/scanner/http/apache_flink_jobmanager_traversalThis module exploits an unauthenticated directory traversal vulnerability in Apache Flink versions 1.11.0 <= 1.11.2. The JobManager REST API fails to validate user-supplied log file paths, allowing retrieval of arbitrary files with the privileges of the web s
CVSS scores for CVE-2020-17519
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-07-03 |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-17519
-
The product makes files or directories accessible to unauthorized actors, even though they should not be.Assigned by:
- nvd@nist.gov (Primary)
- security@apache.org (Secondary)
References for CVE-2020-17519
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https://lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d%40%3Cdev.flink.apache.org%3E
Pony Mail!Mailing List;Vendor Advisory
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http://packetstormsecurity.com/files/160849/Apache-Flink-1.11.0-Arbitrary-File-Read-Directory-Traversal.html
Apache Flink 1.11.0 Arbitrary File Read / Directory Traversal ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1%40%3Cdev.flink.apache.org%3E
Re: [DISCUSS] Releasing Apache Flink 1.10.3-Apache Mail ArchivesIssue Tracking
-
https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f%40%3Cdev.flink.apache.org%3E
Re: [DISCUSS] Releasing Apache Flink 1.10.3-Apache Mail ArchivesIssue Tracking
-
https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E
Re: Apache Software Foundation Security Report: 2020-Apache Mail ArchivesMailing List
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https://lists.apache.org/thread.html/r4e1b72bfa789ea5bc20b8afe56119200ed25bdab0eb80d664fa5bfe2%40%3Cdev.flink.apache.org%3E
[jira] [Created] (FLINK-20916) Typo in test for CVE-2020-17519-Apache Mail ArchivesMailing List;Vendor Advisory
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https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d@%3Cuser-zh.flink.apache.org%3E
Re: flink 1.12.2-rc2 被挖矿 - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034%40%3Cissues.flink.apache.org%3E
[GitHub] [flink-web] zentol commented on a change in pull request #408: Add security page for Flink-Apache Mail ArchivesIssue Tracking
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https://lists.apache.org/thread.html/r0a433be10676f4fe97ca423d08f914e0ead341c901216f292d2bbe83@%3Cissues.flink.apache.org%3E
[jira] [Created] (FLINK-20916) Typo in test for CVE-2020-17519 - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d@%3Cdev.flink.apache.org%3E
[CVE-2020-17519] Apache Flink directory traversal attack: reading remote files through the REST API - Pony MailMailing List;Vendor Advisory
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https://lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d%40%3Cannounce.apache.org%3E
[CVE-2020-17519] Apache Flink directory traversal attack: reading remote files through the REST API-Apache Mail ArchivesMailing List;Vendor Advisory
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https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1@%3Cdev.flink.apache.org%3E
Re: [DISCUSS] Releasing Apache Flink 1.10.3 - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r88b55f3ebf1f8f4e1cc61f030252aaef4b77060b56557a243abb92a1%40%3Cissues.flink.apache.org%3E
[jira] [Assigned] (FLINK-20916) Typo in test for CVE-2020-17519-Apache Mail ArchivesMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r88f427865fb6aa6e6378efe07632a1906b430365e15e3b9621aabe1d%40%3Cissues.flink.apache.org%3E
[jira] [Commented] (FLINK-20916) Typo in test for CVE-2020-17519-Apache Mail ArchivesMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r0a433be10676f4fe97ca423d08f914e0ead341c901216f292d2bbe83%40%3Cissues.flink.apache.org%3E
[jira] [Created] (FLINK-20916) Typo in test for CVE-2020-17519-Apache Mail ArchivesMailing List
-
https://lists.apache.org/thread.html/r88f427865fb6aa6e6378efe07632a1906b430365e15e3b9621aabe1d@%3Cissues.flink.apache.org%3E
[jira] [Commented] (FLINK-20916) Typo in test for CVE-2020-17519 - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d@%3Cannounce.apache.org%3E
[CVE-2020-17519] Apache Flink directory traversal attack: reading remote files through the REST API - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r88b55f3ebf1f8f4e1cc61f030252aaef4b77060b56557a243abb92a1@%3Cissues.flink.apache.org%3E
Pony Mail!Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d%40%3Cuser-zh.flink.apache.org%3E
Re: flink 1.12.2-rc2 被挖矿-Apache Mail ArchivesIssue Tracking
-
https://lists.apache.org/thread.html/r2fc60b30557e4a537c2a6293023049bd1c49fd92b518309aa85a0398%40%3Cissues.flink.apache.org%3E
[jira] [Updated] (FLINK-20916) Typo in test for CVE-2020-17519-Apache Mail ArchivesIssue Tracking
-
https://lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d%40%3Cuser.flink.apache.org%3E
[CVE-2020-17519] Apache Flink directory traversal attack: reading remote files through the REST API-Apache Mail ArchivesIssue Tracking
-
http://www.openwall.com/lists/oss-security/2021/01/05/2
oss-security - [CVE-2020-17519] Apache Flink directory traversal attack: reading remote files through the REST APIMailing List;Third Party Advisory
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https://lists.apache.org/thread.html/r6843202556a6d0bce9607ebc02e303f68fc88e9038235598bde3b50d@%3Cuser.flink.apache.org%3E
[CVE-2020-17519] Apache Flink directory traversal attack: reading remote files through the REST API - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r2fc60b30557e4a537c2a6293023049bd1c49fd92b518309aa85a0398@%3Cissues.flink.apache.org%3E
[jira] [Updated] (FLINK-20916) Typo in test for CVE-2020-17519 - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7@%3Cannounce.apache.org%3E
Re: Apache Software Foundation Security Report: 2020 - Pony MailExploit;Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922@%3Cannounce.apache.org%3E
Apache Software Foundation Security Report: 2020 - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r4e1b72bfa789ea5bc20b8afe56119200ed25bdab0eb80d664fa5bfe2@%3Cdev.flink.apache.org%3E
[jira] [Created] (FLINK-20916) Typo in test for CVE-2020-17519 - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034@%3Cissues.flink.apache.org%3E
[GitHub] [flink-web] zentol commented on a change in pull request #408: Add security page for Flink - Pony MailMailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E
Apache Software Foundation Security Report: 2020-Apache Mail ArchivesNot Applicable
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https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f@%3Cdev.flink.apache.org%3E
Re: [DISCUSS] Releasing Apache Flink 1.10.3 - Pony MailMailing List;Vendor Advisory
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