What is CVE-2020-21654?

CVE-2020-21654 is a high-severity vulnerability in Emlog. CVSS score: 7.2/10. Published 2021-10-06.

How severe is CVE-2020-21654?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Emlog

CVE-2020-21654

emlog v6.0 contains a vulnerability in the component admin\template.php, which allows attackers to getshell via a crafted Zip file.

Published 2021-10-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Emlog — versions 6.0.0

References

github.com/emlog/emlog/issues/55 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-21654?: CVE-2020-21654 is a high-severity vulnerability in Emlog. CVSS score: 7.2/10. Published 2021-10-06.
How severe is CVE-2020-21654?: High severity. CVSS v3 base score is 7.2 out of 10.