Vulnerability · Published Mar 10, 2020 · Assigned by jci

CVE-2020-9044Metasys Improper Restriction of XML External Entity Reference

High 7.5

In plain English

A high-severity XML external entity in Metasys Application and Data Server (ADS, ADS-Lite) from Johnson Controls. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.3%top 29.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

XXE vulnerability exists in the Metasys family of product Web Services which has the potential to facilitate DoS attacks or harvesting of ASCII server files. This affects Johnson Controls' Metasys Application and Data Server (ADS, ADS-Lite) versions 10.1 and prior; Metasys Extended Application and Data Server (ADX) versions 10.1 and prior; Metasys Open Data Server (ODS) versions 10.1 and prior; Metasys Open Application Server (OAS) version 10.1; Metasys Network Automation Engine (NAE55 only) versions 9.0.1, 9.0.2, 9.0.3, 9.0.5, 9.0.6; Metasys Network Integration Engine (NIE55/NIE59) versions 9.0.1, 9.0.2, 9.0.3, 9.0.5, 9.0.6; Metasys NAE85 and NIE85 versions 10.1 and prior; Metasys LonWorks Control Server (LCS) versions 10.1 and prior; Metasys System Configuration Tool (SCT) versions 13.2 and prior; Metasys Smoke Control Network Automation Engine (NAE55, UL 864 UUKL/ORD-C100-13 UUKLC 10th Edition Listed) version 8.1.

Affected products (as reported)

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References