Moxa Mgate MB3180 2.1 Build 18113012 TCP SYN Packet resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Moxa Mgate MB3180 2.1 Build 18113012. Impacted is an unknown function of the component TCP SYN Packet Handler. Such manipulation leads to resource consumption. This vulnerability is listed as CVE-2021-33823. The attack may be performed from remote. In addition, an exploit is available.
Details
A vulnerability, which was classified as problematic, has been found in Moxa Mgate MB3180 2.1 Build 18113012 (Automation Software). Affected by this issue is an unknown functionality of the component TCP SYN Packet Handler. 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 06/19/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-33823. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.
The exploit is available at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.moxa.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
06/03/2021 🔍06/19/2021 🔍
06/19/2021 🔍
06/21/2021 🔍
Sources
Vendor: moxa.comAdvisory: github.com
Status: Not defined
CVE: CVE-2021-33823 (🔍)
GCVE (CVE): GCVE-0-2021-33823
GCVE (VulDB): GCVE-100-177248
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/19/2021 16:02Updated: 06/21/2021 18:27
Changes: 06/19/2021 16:02 (40), 06/21/2021 18:27 (2)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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