What is CVE-2021-44094?

CVE-2021-44094 is a high-severity vulnerability in Zrlog, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.8/10. Published 2021-11-28.

How severe is CVE-2021-44094?

High severity. CVSS v3 base score is 7.8 out of 10.

Arbitrary file upload in Zrlog

CVE-2021-44094

ZrLog 2.2.2 has a remote command execution vulnerability at plugin download function, it could execute any JAR file

Vulnerability class: Unrestricted File Upload

Published 2021-11-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000

Affected products

Zrlog — versions 2.2.2

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/94fzb/zrlog/issues/116 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-44094?: CVE-2021-44094 is a high-severity vulnerability in Zrlog, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.8/10. Published 2021-11-28.
How severe is CVE-2021-44094?: High severity. CVSS v3 base score is 7.8 out of 10.