XSS in Siemens Sicam A8000

CVE-2020-15781

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (59.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-15781?
CVE-2020-15781 is a critical-severity vulnerability in Siemens Sicam A8000, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2020-08-14.
How severe is CVE-2020-15781?
Critical severity. CVSS v3 base score is 9.6 out of 10.