CVE-2021-21002
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Denial of Service in Phoenix Contact FL COMSERVER UNI products
In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service.
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.
FL COMSERVER
- Vendor
- Phoenix Contact
- Product
- FL COMSERVER
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| UNI 232/422/485 (2313452) | affected | custom | 2.40 | Unavailable | None listed |
| UNI 232/422/485-T (2904817) | affected | custom | 2.40 | Unavailable | None listed |