CVE-2021-21002
Summary
| CVE | CVE-2021-21002 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-06-25 19:15:00 UTC |
| Updated | 2021-07-01 19:43:00 UTC |
| Description | In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service. |
Risk And Classification
Problem Types: CWE-772
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Phoenixcontact | Fl Comserver Uni 232/422/485 | - | All | All | All |
| Hardware | Phoenixcontact | Fl Comserver Uni 232/422/485-t | - | All | All | All |
| Operating System | Phoenixcontact | Fl Comserver Uni 232/422/485-t Firmware | All | All | All | All |
| Operating System | Phoenixcontact | Fl Comserver Uni 232/422/485 Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| PHOENIX CONTACT : Security Advisory for FL COMSERVER UNI — English (USA) | CONFIRM | cert.vde.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: This vulnerability was found by Petri Tuomio and reported to PHOENIX CONTACT by Waertsilae PSIRT. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication.
Legacy QID Mappings
- 591079 PHOENIX CONTACT FL COMSERVER UNI Vulnerability (VDE-2021-022)