What is CVE-2020-21013?

CVE-2020-21013 is a high-severity vulnerability in Emlog, classified under SQL Injection. CVSS score: 7.2/10. Published 2021-10-01.

How severe is CVE-2020-21013?

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

SQL Injection in Emlog

CVE-2020-21013

emlog v6.0.0 contains a SQL injection via /admin/comment.php.

Vulnerability class: SQL Injection

Published 2021-10-01 · 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: 0.010 (61.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Emlog — versions 6.0.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/emlog/emlog/issues/52 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-21013?: CVE-2020-21013 is a high-severity vulnerability in Emlog, classified under SQL Injection. CVSS score: 7.2/10. Published 2021-10-01.
How severe is CVE-2020-21013?: High severity. CVSS v3 base score is 7.2 out of 10.