CVE-2021-20720 SQL injection in KonaWiki2

Critical 9.8 Published 20 May 2021 Updated 3 Aug 2024

Remote attackers can execute arbitrary SQL commands to read or modify database information in KonaWiki2.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-20720?

CVE-2021-20720 is a critical SQL injection vulnerability in kujirahand KonaWiki2, published on 20 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SQL injection vulnerability in the KonaWiki2 versions prior to 2.2.4 allows remote attackers to execute arbitrary SQL commands and to obtain/alter the information stored in the database via unspecified vectors.

Weakness: CWE-89

Which versions are affected by CVE-2021-20720?

It affects 1 product.

Products include Kujirahand Konawiki.

How do I fix CVE-2021-20720?

No fix has been published for CVE-2021-20720 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2021-20720 being exploited?

There is no known exploitation of CVE-2021-20720 in the wild and no public exploit code.

Sources

Also known as GHSA-92mq-hq5f-7rrr.