CVE-2023-45303 ThingsBoard Server-Side Template Injection

What is CVE-2023-45303?

CVE-2023-45303 is a high-severity code injection vulnerability in n/a, published on 6 Oct 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

ThingsBoard before 3.5 allows Server-Side Template Injection if users are allowed to modify an email template, because Apache FreeMarker supports freemarker.template.utility.Execute (for content sent to the /api/admin/settings endpoint).

Weakness: CWE-74

Which versions are affected by CVE-2023-45303?

2 open source packages ship an affected version, including org.thingsboard:thingsboard. It affects 1 product.

Products include Thingsboard Thingsboard.

How do I fix CVE-2023-45303?

Upgrade org.thingsboard:thingsboard to 3.5 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-45303 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45303 exists.

Other vulnerabilities in n/a

• CVE-2022-40004 Cross-site scripting in n/a Critical 9.6
• CVE-2022-45608 Privilege escalation in n/a High 8.8
• CVE-2022-48341 Privilege escalation in n/a High 8.8
• CVE-2020-27687 Open redirect in n/a High 8.8
• CVE-2023-26462 Hardcoded credentials in n/a High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6pgr-j9v4-xfvv.