CVE-2021-44093

9.8 criticalEPSS 2.6%

Critical (9.8) in zrlog zrlog. EPSS 2.6% chance of exploitation in the next 30 days.

A Remote Command Execution vulnerability on the background in zrlog 2.2.2, at the upload avatar function, could bypass the original limit, upload the JSP file to get a WebShell

Severity

CVSS 3.1

9.8 critical

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

EPSS: 2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2021-11-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zrlog:zrlog

References

https://github.com/94fzb/zrlog/issues/115
https://github.com/94fzb/zrlog/issues/115

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