CVE-2021-20591
Summary
| CVE | CVE-2021-20591 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-06-11 16:15:00 UTC |
| Updated | 2021-06-22 20:05:00 UTC |
| Description | Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU all versions, R04/08/16/32/120(EN)CPU all versions, R08/16/32/120SFCPU all versions, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to prevent legitimate clients from connecting to the MELSOFT transmission port (TCP/IP) by not closing a connection properly, which may lead to a denial of service (DoS) condition. |
Risk And Classification
Problem Types: CWE-400
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Mitsubishielectric | R00cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R00cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R01cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R01cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R02cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R02cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R04cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R04cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R08cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R08cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R08pcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R08pcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R08psfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R08psfcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R08sfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R08sfcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R120cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R120cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R120pcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R120pcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R120psfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R120psfcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R120sfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R120sfcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R16cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R16cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R16pcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R16pcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R16psfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R16psfcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R16sfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R16sfcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R32cpu | - | All | All | All |
| Operating System | Mitsubishielectric | R32cpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R32pcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R32pcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R32psfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R32psfcpu Firmware | All | All | All | All |
| Hardware | Mitsubishielectric | R32sfcpu | - | All | All | All |
| Operating System | Mitsubishielectric | R32sfcpu Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf | MISC | www.mitsubishielectric.com | |
| JVNVU#98060539: 三菱電機製 MELSEC iQ-R シリーズの MELSOFT 交信ポートにおけるリソース枯渇の脆弱性 | MISC | jvn.jp | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 590652 Mitsubishi Electric MELSEC iQ-R Series Denial of Service (DoS) Vulnerability (ICSA-21-147-05)