01 Record
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
UnratedPUBLISHEDCNA: icscert
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.64% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 76.2% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-04-03 18:04Z6 YR AGO
- Last updated
- 2024-08-04 09:18Z2 YR AGO
- Reserved
- 2020-01-14
- Assigning CNA
- icscert
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- cb7560458d3671c96bd9fadfeea88c7f739718e3e3f697c8baabbbe2b227b32d
05 Affected products
VendorProductVersionsPlatforms
Hirschmann Automation and Control GmbH, a division of Belden Inc.HiOS for the following devices RSP, RSPE, RSPS, RSPL, MSP, EES, EES, EESX, GRS, OS, RED07.0.02 and lower—
Hirschmann Automation and Control GmbH, a division of Belden Inc.HiSecOS for device EAGLE20/3003.2.00 and lower—
06 References
- www.us-cert.govhttps://www.us-cert.gov/ics/advisories/icsa-20-091-01