CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.1 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in MediaTek MT2731, MT2735, MT3967, MT6297, MT6739, MT6761, MT6762, MT6762D, MT6762M, MT6763, MT6765, MT6765T, MT6767, MT6768, MT6769, MT6769T, MT6769Z, MT6771, MT6779, MT6781, MT6783, MT6785, MT6785T, MT6833, MT6853, MT6855, MT6873, MT6875, MT6875T, MT6877, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8666, MT8675, MT8765, MT8766, MT8768, MT8771, MT8786, MT8788, MT8791 and MT8797. This affects an unknown code of the component Modem EMM. The manipulation with an unknown input leads to a missing encryption vulnerability. CWE is classifying the issue as CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. This is going to have an impact on confidentiality.
The weakness was shared 01/04/2022. The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2021-40148 since 08/27/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.
Applying a patch is able to eliminate this problem.
Product
Type
Vendor
Name
- MT2731
- MT2735
- MT3967
- MT6297
- MT6739
- MT6761
- MT6762
- MT6762D
- MT6762M
- MT6763
- MT6765
- MT6765T
- MT6767
- MT6768
- MT6769
- MT6769T
- MT6769Z
- MT6771
- MT6779
- MT6781
- MT6783
- MT6785
- MT6785T
- MT6833
- MT6853
- MT6855
- MT6873
- MT6875
- MT6875T
- MT6877
- MT6880
- MT6883
- MT6885
- MT6889
- MT6890
- MT6891
- MT6893
- MT8666
- MT8675
- MT8765
- MT8766
- MT8768
- MT8771
- MT8786
- MT8788
- MT8791
- MT8797
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
Exploiting
Class: Missing encryptionCWE: CWE-311 / CWE-310
ATT&CK: T1600
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: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
08/27/2021 🔍01/04/2022 🔍
01/04/2022 🔍
01/06/2022 🔍
Sources
Advisory: corp.mediatek.comStatus: Confirmed
CVE: CVE-2021-40148 (🔍)
Entry
Created: 01/04/2022 18:46Updated: 01/06/2022 13:23
Changes: 01/04/2022 18:46 (37), 01/06/2022 13:23 (1)
Complete: 🔍
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