CVE-2021-42534 Trane Building Automation Controllers Cross-site Scripting
Attackers can inject malicious scripts into Trane Building Automation Controllers via input forms, potentially compromising the web interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42534?
CVE-2021-42534 is a medium-severity cross-site scripting vulnerability in Trane Tracer SC, published on 22 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The affected product’s web application does not properly neutralize the input during webpage generation, which could allow an attacker to inject code in the input forms.
Weakness: CWE-79
Which versions are affected by CVE-2021-42534?
It affects 1 product.
Products include Trane Tracer Sc Firmware.
How do I fix CVE-2021-42534?
No fix has been published for CVE-2021-42534 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-42534 being exploited?
There is no known exploitation of CVE-2021-42534 in the wild and no public exploit code.
Sources
Also known as GHSA-mx7v-jfp8-4wr2.