CVE-2020-17518
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. 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 a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master.
Overview
- CVE ID
- CVE-2020-17518
- Assigner
- security@apache.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-01-05T12:15:12
- Last Modified Date
- 2021-03-18T12:05:59
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:apache:flink:*:*:*:*:*:*:*:* | 1 | OR | 1.5.1 | 1.11.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-17518 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17518 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 07:19:31 | Added to TrackCVE | |||
2022-12-05 19:21:34 | 2021-01-05T12:15Z | 2021-01-05T12:15:12 | CVE Published Date | updated |
2022-12-05 19:21:34 | 2021-03-18T12:05:59 | CVE Modified Date | updated | |
2022-12-05 19:21:34 | Analyzed | Vulnerability Status | updated |