Mitsubishi Electric MELSEC iQ-R/MELSEC Q resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Mitsubishi Electric MELSEC iQ-R and MELSEC Q. This issue affects some unknown processing. The manipulation leads to resource consumption. This vulnerability is listed as CVE-2021-20609. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability was found in Mitsubishi Electric MELSEC iQ-R and MELSEC Q (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.
The weakness was presented 12/01/2021 as icsa-21-334-02. The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2021-20609 since 12/17/2020. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/17/2020 🔍12/01/2021 🔍
12/01/2021 🔍
12/08/2021 🔍
Sources
Advisory: icsa-21-334-02Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-20609 (🔍)
GCVE (CVE): GCVE-0-2021-20609
GCVE (VulDB): GCVE-100-187433
Entry
Created: 12/01/2021 19:48Updated: 12/08/2021 09:43
Changes: 12/01/2021 19:48 (37), 12/08/2021 09:42 (1), 12/08/2021 09:43 (18)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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