CVE-2020-18662 SQL injection in n/a

Q: Is CVE-2020-18662 being exploited?

There is no known exploitation of CVE-2020-18662 in the wild and no public exploit code.

Q: How do I fix CVE-2020-18662?

No fix has been published for CVE-2020-18662 yet. Limit exposure of the affected software until one is available.

Critical 9.8 Published 24 Jun 2021 Updated 4 Aug 2024

An attacker can execute arbitrary SQL commands via the table_prefix parameter in the installation script, potentially compromising the database.

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-2020-18662?

CVE-2020-18662 is a critical SQL injection vulnerability in n/a, published on 24 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SQL Injection vulnerability in gnuboard5 <=v5.3.2.8 via the table_prefix parameter in install_db.php.

Weakness: CWE-89

Which versions are affected by CVE-2020-18662?

It affects 1 product.

Products include Sir Gnuboard.

How do I fix CVE-2020-18662?

No fix has been published for CVE-2020-18662 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-2020-18662 being exploited?

There is no known exploitation of CVE-2020-18662 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-23wx-6wm2-v53g.