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01 Record

CVE-2020-16207

Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the

UnratedPUBLISHEDCNA: icscert
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the

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
3.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.3% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
2020-08-06 18:22Z6 YR AGO
Last updated
2024-08-04 13:37Z2 YR AGO
Reserved
2020-07-31
Assigning CNA
icscert
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-122Heap-based Buffer OverflowVariant
  • CWE-787Out-of-bounds WriteBase
Data version
5.1
Document digest
d0e22d9798cde8f433d64b654958aea0438417bb0032ed2372e7a80675be34e4

05 Affected products

VendorProductVersionsPlatforms
n/aAdvantech WebAccess HMI DesignerVersions 2.1.9.31 and prior—

06 References