Buffer overflow in Belden Hirschmann Eagle20
CVE-2020-6994
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (76.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Belden Hirschmann Eagle20
- Belden Hirschmann Eagle30
- Belden Hirschmann Embedded Ethernet Switch
- Belden Hirschmann Embedded Ethernet Switch Extended
- Belden Hirschmann Greyhound Swtich
- Belden Hirschmann Hios
- Belden Hirschmann Hisecos
- Belden Hirschmann Mice Switch Power
- Belden Hirschmann Octopus
- Belden Hirschmann Prp Redbox
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.us-cert.gov/ics/advisories/icsa-20-091-01 (US Government Resource, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2020-6994?
- CVE-2020-6994 is a critical-severity vulnerability in Belden Hirschmann Eagle20, classified under CWE-12. CVSS score: 9.8/10. Published 2020-04-03.
- How severe is CVE-2020-6994?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-6994 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.