What is CVE-2020-21131?

CVE-2020-21131 is a high-severity vulnerability in Metinfo, classified under SQL Injection. CVSS score: 7.2/10. Published 2021-07-12.

How severe is CVE-2020-21131?

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

Is CVE-2020-21131 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Metinfo

CVE-2020-21131

SQL Injection vulnerability in MetInfo 7.0.0beta via admin/?n=language&c=language_web&a=doAddLanguage.

Vulnerability class: SQL Injection

Published 2021-07-12 · 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: 0.012 (66.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Metinfo — versions 7.0.0

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

github.com/SZFsir/tmpProject/issues/3 (Exploit, Third Party Advisory)
www.mituo.cn/news/2473.html (Product)

Frequently asked questions

What is CVE-2020-21131?: CVE-2020-21131 is a high-severity vulnerability in Metinfo, classified under SQL Injection. CVSS score: 7.2/10. Published 2021-07-12.
How severe is CVE-2020-21131?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2020-21131 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.