CVE-2020-15781 Cross-site scripting in SICAM WEB firmware for SICAM A8000 RTUs
An attacker can inject malicious scripts into log messages via the login screen, which execute when viewed by a victim in the web interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-15781?
CVE-2020-15781 is a critical cross-site scripting vulnerability in Siemens AG SICAM WEB firmware for SICAM A8000 RTUs, published on 14 Aug 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability has been identified in SICAM WEB firmware for SICAM A8000 RTUs (All versions < V05.30). The login screen does not sufficiently sanitize input, which enables an attacker to generate specially crafted log messages. If an unsuspecting victim views the log messages via the web browser, these log messages might be interpreted and executed as code by the web application. This Cross-Site-Scripting (XSS) vulnerability might compromize the confidentiality, integrity and availability of the web application.
Weakness: CWE-79
Which versions are affected by CVE-2020-15781?
It affects 1 product.
Products include Siemens Sicam A8000 Firmware.
How do I fix CVE-2020-15781?
No fix has been published for CVE-2020-15781 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-2020-15781 being exploited?
There is no known exploitation of CVE-2020-15781 in the wild and no public exploit code.
Other vulnerabilities in Siemens AG SICAM WEB firmware for SICAM A8000 RTUs
Sources
Also known as GHSA-rx5g-mw23-2hw2.