Vulnerability · Published Apr 3, 2020 · Assigned by icscert
CVE-2020-6994
Critical 9.8
In plain English
A critical-severity security flaw in HiOS for the following devices RSP, RSPE, RSPS, RSPL, MSP, EES, EES, EESX, GRS, OS, RED from Hirschmann Automation and Control GmbH, a division of Belden Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 77% of all known vulnerabilities).
Official description
A buffer overflow vulnerability was found in some devices of Hirschmann Automation and Control HiOS and HiSecOS. The vulnerability is due to improper parsing of URL arguments. An attacker could exploit this vulnerability by specially crafting HTTP requests to overflow an internal buffer. The following devices using HiOS Version 07.0.02 and lower are affected: RSP, RSPE, RSPS, RSPL, MSP, EES, EES, EESX, GRS, OS, RED. The following devices using HiSecOS Version 03.2.00 and lower are affected: EAGLE20/30.
Affected products (as reported)
Weakness: CWE-12
References
- https://www.us-cert.gov/ics/advisories/icsa-20-091-01 x_refsource_MISC