| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in 2N Access Unit 2.31.0.40.5. It has been classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes channel accessible. The identification of this vulnerability is CVE-2021-31399. It is possible to initiate the attack remotely. There is no exploit available.
Details
A vulnerability classified as critical was found in 2N Access Unit 2.31.0.40.5. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a channel accessible vulnerability. The CWE definition for the vulnerability is CWE-300. The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was shared 08/13/2021. The advisory is shared at excellium-services.com. This vulnerability is known as CVE-2021-31399. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1557 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CNA Base Score: 4.6
CNA Vector (MITRE): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Channel accessibleCWE: CWE-300
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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
04/15/2021 🔍08/13/2021 🔍
08/13/2021 🔍
05/30/2025 🔍
Sources
Advisory: excellium-services.comStatus: Not defined
CVE: CVE-2021-31399 (🔍)
GCVE (CVE): GCVE-0-2021-31399
GCVE (VulDB): GCVE-100-180829
Entry
Created: 08/13/2021 18:05Updated: 05/30/2025 22:09
Changes: 08/13/2021 18:05 (35), 08/18/2021 09:01 (2), 08/18/2021 09:05 (1), 05/30/2025 22:09 (42)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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