CVE-2021-20986

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2021
Source publication: Feb 16, 2021
Source updated: Sep 16, 2024
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

Hilscher: Denial of Service vulnerability in PROFINET IO Device

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

PROFINET IO Device

Vendor: Hilscher
Product: PROFINET IO Device
Platforms: Unknown
Default status: Unknown

PROFINET IO Device · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
V3	`affected`	custom	V3.14.0.7	Unavailable	None listed

PCV/PXV/PGV

Vendor: Pepper+Fuchs
Product: PCV/PXV/PGV
Platforms: Unknown
Default status: Unknown

PCV/PXV/PGV · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
PGV100-F200A-B17-V1D, PGV150I-F200A-B17-V1D, PGV100-F200-B17-V1D-7477	`affected`	custom	Unavailable	V2.0.0	None listed
PXV100-F200-B17-V1D, PXV100-F200-B17-V1D-3636	`affected`	custom	Unavailable	V4.2.0	None listed
PCV80-F200-B17-V1D, PCV100-F200-B17-V1D, PCV50-F200-B17-V1D, PCV100-F200-B17-V1D-6011-6997	`affected`	custom	Unavailable	V3.2.3	None listed
PCV100-F200-B17-V1D-6011, PCV100-F200-B17-V1D-6011-8203	`affected`	custom	Unavailable	V3.2.5	None listed

PXV/PGV B28 Profisafe

Vendor: Pepper+Fuchs
Product: PXV/PGV B28 Profisafe
Platforms: Unknown
Default status: Unknown

PXV/PGV B28 Profisafe · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
PXV100A-F200-B28-V1D, PXV100A-F200-B28-V1D-6011, PGV100A-F200-B28-V1D, PGV100A-F200A-B28-V1D	`affected`	custom	Unavailable	V1.0.3	None listed
PGV100AQ-F200A-B28-V1D, PGV100AQ-F200-B28-V1D, PXV100AQ-F200-B28-V1D, PXV100AQ-F200-B28-V1D-6011	`affected`	custom	Unavailable	V2.1.1	None listed

OHV

Vendor: Pepper+Fuchs
Product: OHV
Platforms: Unknown
Default status: Unknown

OHV · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
OHV-F230-B17	`affected`	custom	Unavailable	V1.1.0	None listed

OIT

Vendor: Pepper+Fuchs
Product: OIT
Platforms: Unknown
Default status: Unknown

OIT · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
OIT500-F113-B17-CB	`affected`	custom	Unavailable	V1.3.4	None listed

PHA

Vendor: Pepper+Fuchs
Product: PHA
Platforms: Unknown
Default status: Unknown

PHA · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
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	`affected`	custom	Unavailable	V3.1.5	None listed

WCS

Vendor: Pepper+Fuchs
Product: WCS
Platforms: Unknown
Default status: Unknown

WCS · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
WCS3B-LS610, WCS3B-LS610H, WCS3B-LS610D, WCS3B-LS610DH, WCS3B-LS610H-OM, WCS3B-LS610DH-OM, WCS3B-LS610D-OM, CS3B-LS610-OM	`affected`	custom	Unavailable	V3.0.0	None listed