CVE-2021-26634 Maxboard multiple vulnerabilities
Attackers can exploit SQL injection and file upload flaws in Maxboard to execute arbitrary code and escalate privileges.
- 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-2021-26634?
CVE-2021-26634 is a critical SQL injection vulnerability in Maxboard, published on 1 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code execution or privilege escalation. Attackers can use these vulnerabilities to perform attacks such as stealing server management rights using a web shell.
Which versions are affected by CVE-2021-26634?
It affects 1 product.
Products include Maxb Maxboard.
How do I fix CVE-2021-26634?
No fix has been published for CVE-2021-26634 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-2021-26634 being exploited?
There is no known exploitation of CVE-2021-26634 in the wild and no public exploit code.
Other vulnerabilities in Maxboard
Sources
Also known as GHSA-f35m-48c3-v5mq.