CVEFinder.io

CVE-2020-1960

🔶 medium
🔍 Scan for this CVE
Summary

A vulnerability in Apache Flink (1.1.0 to 1.1.5, 1.2.0 to 1.2.1, 1.3.0 to 1.3.3, 1.4.0 to 1.4.2, 1.5.0 to 1.5.6, 1.6.0 to 1.6.4, 1.7.0 to 1.7.2, 1.8.0 to 1.8.3, 1.9.0 to 1.9.2, 1.10.0) where, when running a process with an enabled JMXReporter, with a port configured via metrics.reporter.reporter_name>.port, an attacker with local access to the machine and JMX port can execute a man-in-the-middle attack using a specially crafted request to rebind the JMXRMI registry to one under the attacker's co

Description

A vulnerability in Apache Flink (1.1.0 to 1.1.5, 1.2.0 to 1.2.1, 1.3.0 to 1.3.3, 1.4.0 to 1.4.2, 1.5.0 to 1.5.6, 1.6.0 to 1.6.4, 1.7.0 to 1.7.2, 1.8.0 to 1.8.3, 1.9.0 to 1.9.2, 1.10.0) where, when running a process with an enabled JMXReporter, with a port configured via metrics.reporter.reporter_name>.port, an attacker with local access to the machine and JMX port can execute a man-in-the-middle attack using a specially crafted request to rebind the JMXRMI registry to one under the attacker's control. This compromises any connection established to the process via JMX, allowing extraction of credentials and any other transferred data.

CVSS Score
4.7
Medium
EPSS Score
0.1
Exploit Probability
Published Date
2020-05-14
First Seen: 2026-01-05
📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 13.8% of all 328,009 vulnerabilities in our database.

#282,765
Below average severity
Severity Percentile
Last Modified 2024-11-21
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

📦 Affected Products 10

🔗 References 4

🔗 Related CVEs 3

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-35194 ⚠️ high 8.1 0.1 Code injection in SQL code generation in Apache Flink 1.15.0 through 1.20.x and 2.0.0 through 2.x allows authenticated u... 2026-05-15
CVE-2020-17518 ⚠️ high 7.5 93.8 Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the l... 2021-01-05
CVE-2020-17519 ⚠️ high 7.5 94.4 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... 2021-01-05
These CVEs affect the same products