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CVE-2020-17518

7.5
HIGHCVSS v3.1 Base Score
93.95%
HIGH RiskEPSS (100th percentile)

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.

Published: 1/5/2021
Modified: 11/21/2024
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Vulnerability Summary

CVSS v3 Score

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2 Score

5

AV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS Score (Exploitation Probability)

93.95%HIGH Exploitation Risk
100th percentile

This vulnerability has a 93.95% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

CWE Classification

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