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 craft…

EPSS: 0.016 (73.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC, 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.