CVE-2020-21585

Name: CVE-2020-21585
Creator: NVD / NIST
Published: 2021-04-02T20:15:12.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.18%

Last modified Jun 17, 2026

CVE-2020-21585 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.. EPSS estimates a 3.18% chance of exploitation in the next 30 days.

Description

Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.18%

86.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Emlog	Emlog	6.0.0

References

https://github.com/emlog/emlog/issues/54Exploit, Third Party Advisory
https://github.com/pwnninja/emlog/issues/1Exploit, Third Party Advisory
https://github.com/emlog/emlog/issues/54Exploit, Third Party Advisory
https://github.com/pwnninja/emlog/issues/1Exploit, Third Party Advisory

Timeline

Published: Apr 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21585?

Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.

How severe is CVE-2020-21585?

CVE-2020-21585 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.18% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21585?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-21585?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST