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CVE-2021-20986— Hilscher: Denial of Service vulnerability in PROFINET IO Device

Quick assessment

Affected
Hilscher PROFINET IO Device
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hilscher PROFINET IO Device V3 in versions prior to V3.14.0.7 存在安全漏洞，该漏洞源于拒绝服务漏洞，导致周期性通信的意外丢失或非周期性通信的中断。

CVSS 7.5 · High EPSS 1.04% · P62

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-20986

Vulnerability Information
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Vulnerability Title
Hilscher: Denial of Service vulnerability in PROFINET IO Device
Source: CVE Program / CVE List V5
Vulnerability Description
A Denial of Service vulnerability was found in Hilscher PROFINET IO Device V3 in versions prior to V3.14.0.7. This may lead to unexpected loss of cyclic communication or interruption of acyclic communication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Hilscher PROFINET IO Device 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hilscher PROFINET IO Device V3 in versions prior to V3.14.0.7 存在安全漏洞，该漏洞源于拒绝服务漏洞，导致周期性通信的意外丢失或非周期性通信的中断。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hilscher PROFINET IO Device V3 ~ V3.14.0.7 -
Pepper+Fuchs PCV/PXV/PGV PGV100-F200A-B17-V1D, PGV150I-F200A-B17-V1D, PGV100-F200-B17-V1D-7477 ~ V2.0.0 -
Pepper+Fuchs PXV/PGV B28 Profisafe PXV100A-F200-B28-V1D, PXV100A-F200-B28-V1D-6011, PGV100A-F200-B28-V1D, PGV100A-F200A-B28-V1D ~ V1.0.3 -
Pepper+Fuchs OHV OHV-F230-B17 ~ V1.1.0 -
Pepper+Fuchs OIT OIT500-F113-B17-CB ~ V1.3.4 -
Pepper+Fuchs PHA PHA300-F200-B17-V1D, PHA400-F200-B17-V1D, PHA300-F200A-B17-V1D, PHA300-F200-B17-T-V1D, PHA200-F200A-B17-V1D, PHA200-F200-B17-V1D, PHA400-F200A-B17-V1D, PHA300-F200A-B17-T-V1D, PHA600-F200A-B17-V1D, PHA500-F200-B17-V1D, PHA500-F200A-B17-V1D, PHA600-F200-B1 ~ V3.1.5 -
Pepper+Fuchs WCS WCS3B-LS610, WCS3B-LS610H, WCS3B-LS610D, WCS3B-LS610DH, WCS3B-LS610H-OM, WCS3B-LS610DH-OM, WCS3B-LS610D-OM, CS3B-LS610-OM ~ V3.0.0 -

II. Public POCs for CVE-2021-20986

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III. Intelligence Information for CVE-2021-20986

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Other References for CVE-2021-20986 (2)

IV. Related Vulnerabilities

Same vendor: Hilscher
Same weakness: CWE-787

V. Comments for CVE-2021-20986

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