Vulnerability · Published Feb 16, 2021 · Assigned by CERTVDE
CVE-2021-20986Hilscher: Denial of Service vulnerability in PROFINET IO Device
High 7.5
In plain English
A high-severity out-of-bounds write in PROFINET IO Device from Hilscher. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 35.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hilscher | PROFINET IO Device | V3 – before V3.14.0.7 |
| Pepper+Fuchs | PCV/PXV/PGV | PGV100-F200A-B17-V1D, PGV150I-F200A-B17-V1D, PGV100-F200-B17-V1D-7477 – through V2.0.0PXV100-F200-B17-V1D, PXV100-F200-B17-V1D-3636 – through V4.2.0PCV80-F200-B17-V1D, PCV100-F200-B17-V1D, PCV50-F200-B17-V1D, PCV100-F200-B17-V1D-6011-6997 – through V3.2.3PCV100-F200-B17-V1D-6011, PCV100-F200-B17-V1D-6011-8203 – through V3.2.5 |
| Pepper+Fuchs | PXV/PGV B28 Profisafe | PXV100A-F200-B28-V1D, PXV100A-F200-B28-V1D-6011, PGV100A-F200-B28-V1D, PGV100A-F200A-B28-V1D – through V1.0.3PGV100AQ-F200A-B28-V1D, PGV100AQ-F200-B28-V1D, PXV100AQ-F200-B28-V1D, PXV100AQ-F200-B28-V1D-6011 – through V2.1.1 |
| Pepper+Fuchs | OHV | OHV-F230-B17 – through V1.1.0 |
| Pepper+Fuchs | OIT | OIT500-F113-B17-CB – through 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-B17-V1D, PHA150-F200A-B17-V1D, PHA200-F200A-B17-T-V1D, PHA150-F200-B17-V1D, PHA800-F200-B17-V1D, PHA400-F200A-B17-T-V1D, PHA500-F200A-B17-T-V1D, PHA700-F200-B17-V1D – through 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 – through V3.0.0 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://kb.hilscher.com/display/ISMS/2020-12-03+Denial+of+Service+vulnerability+in+PROFINET+IO+Device x_refsource_CONFIRM
- https://cert.vde.com/en-us/advisories/vde-2021-006 x_refsource_CONFIRM