Is CVE-2021-41034 actively exploited?

No active exploitation of CVE-2021-41034 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-41034 be exploited remotely?

Yes. CVE-2021-41034 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-41034?

CVE-2021-41034 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2021-41034

CWE-924Published: September 29, 2021· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

The build of some language stacks of Eclipse Che version 6 includes pulling some binaries from an unsecured HTTP endpoint. As a consequence the builds of such stacks are vulnerable to MITM attacks that allow the replacement of the original binaries with arbitrary ones. The stacks involved are Java 8 (alpine and centos), Android and PHP. The vulnerability is not exploitable at runtime but only when building Che.

NVD Source

Technical Analysis

CVE-2021-41034 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.