CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in InsydeH2O up to 05.51.44 and classified as critical. This issue affects the function AtaLegacySmm
of the component SMI Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.
The weakness was published 01/06/2022. The advisory is shared at insyde.com. The identification of this vulnerability is CVE-2021-41842 since 10/01/2021. Technical details are known, but no exploit is available.
Upgrading to version 05.08.46, 05.16.46, 05.26.46, 05.35.46, 05.43.46 or 05.51.45 eliminates this vulnerability.
Similar entries are available at VDB-192159, VDB-192160, VDB-192161 and VDB-213606.
Product
Name
Version
- 05.08.0
- 05.08.1
- 05.08.2
- 05.08.3
- 05.08.4
- 05.08.5
- 05.08.6
- 05.08.7
- 05.08.8
- 05.08.9
- 05.08.10
- 05.08.11
- 05.08.12
- 05.08.13
- 05.08.14
- 05.08.15
- 05.08.16
- 05.08.17
- 05.08.18
- 05.08.19
- 05.08.20
- 05.08.21
- 05.08.22
- 05.08.23
- 05.08.24
- 05.08.25
- 05.08.26
- 05.08.27
- 05.08.28
- 05.08.29
- 05.08.30
- 05.08.31
- 05.08.32
- 05.08.33
- 05.08.34
- 05.08.35
- 05.08.36
- 05.08.37
- 05.08.38
- 05.08.39
- 05.08.40
- 05.08.41
- 05.08.42
- 05.08.43
- 05.08.44
- 05.08.45
- 05.16.0
- 05.16.1
- 05.16.2
- 05.16.3
- 05.16.4
- 05.16.5
- 05.16.6
- 05.16.7
- 05.16.8
- 05.16.9
- 05.16.10
- 05.16.11
- 05.16.12
- 05.16.13
- 05.16.14
- 05.16.15
- 05.16.16
- 05.16.17
- 05.16.18
- 05.16.19
- 05.16.20
- 05.16.21
- 05.16.22
- 05.16.23
- 05.16.24
- 05.16.25
- 05.16.26
- 05.16.27
- 05.16.28
- 05.16.29
- 05.16.30
- 05.16.31
- 05.16.32
- 05.16.33
- 05.16.34
- 05.16.35
- 05.16.36
- 05.16.37
- 05.16.38
- 05.16.39
- 05.16.40
- 05.16.41
- 05.16.42
- 05.16.43
- 05.16.44
- 05.16.45
- 05.26.0
- 05.26.1
- 05.26.2
- 05.26.3
- 05.26.4
- 05.26.5
- 05.26.6
- 05.26.7
- 05.26.8
- 05.26.9
- 05.26.10
- 05.26.11
- 05.26.12
- 05.26.13
- 05.26.14
- 05.26.15
- 05.26.16
- 05.26.17
- 05.26.18
- 05.26.19
- 05.26.20
- 05.26.21
- 05.26.22
- 05.26.23
- 05.26.24
- 05.26.25
- 05.26.26
- 05.26.27
- 05.26.28
- 05.26.29
- 05.26.30
- 05.26.31
- 05.26.32
- 05.26.33
- 05.26.34
- 05.26.35
- 05.26.36
- 05.26.37
- 05.26.38
- 05.26.39
- 05.26.40
- 05.26.41
- 05.26.42
- 05.26.43
- 05.26.44
- 05.26.45
- 05.35.0
- 05.35.1
- 05.35.2
- 05.35.3
- 05.35.4
- 05.35.5
- 05.35.6
- 05.35.7
- 05.35.8
- 05.35.9
- 05.35.10
- 05.35.11
- 05.35.12
- 05.35.13
- 05.35.14
- 05.35.15
- 05.35.16
- 05.35.17
- 05.35.18
- 05.35.19
- 05.35.20
- 05.35.21
- 05.35.22
- 05.35.23
- 05.35.24
- 05.35.25
- 05.35.26
- 05.35.27
- 05.35.28
- 05.35.29
- 05.35.30
- 05.35.31
- 05.35.32
- 05.35.33
- 05.35.34
- 05.35.35
- 05.35.36
- 05.35.37
- 05.35.38
- 05.35.39
- 05.35.40
- 05.35.41
- 05.35.42
- 05.35.43
- 05.35.44
- 05.35.45
- 05.43.0
- 05.43.1
- 05.43.2
- 05.43.3
- 05.43.4
- 05.43.5
- 05.43.6
- 05.43.7
- 05.43.8
- 05.43.9
- 05.43.10
- 05.43.11
- 05.43.12
- 05.43.13
- 05.43.14
- 05.43.15
- 05.43.16
- 05.43.17
- 05.43.18
- 05.43.19
- 05.43.20
- 05.43.21
- 05.43.22
- 05.43.23
- 05.43.24
- 05.43.25
- 05.43.26
- 05.43.27
- 05.43.28
- 05.43.29
- 05.43.30
- 05.43.31
- 05.43.32
- 05.43.33
- 05.43.34
- 05.43.35
- 05.43.36
- 05.43.37
- 05.43.38
- 05.43.39
- 05.43.40
- 05.43.41
- 05.43.42
- 05.43.43
- 05.43.44
- 05.43.45
- 05.51.0
- 05.51.1
- 05.51.2
- 05.51.3
- 05.51.4
- 05.51.5
- 05.51.6
- 05.51.7
- 05.51.8
- 05.51.9
- 05.51.10
- 05.51.11
- 05.51.12
- 05.51.13
- 05.51.14
- 05.51.15
- 05.51.16
- 05.51.17
- 05.51.18
- 05.51.19
- 05.51.20
- 05.51.21
- 05.51.22
- 05.51.23
- 05.51.24
- 05.51.25
- 05.51.26
- 05.51.27
- 05.51.28
- 05.51.29
- 05.51.30
- 05.51.31
- 05.51.32
- 05.51.33
- 05.51.34
- 05.51.35
- 05.51.36
- 05.51.37
- 05.51.38
- 05.51.39
- 05.51.40
- 05.51.41
- 05.51.42
- 05.51.43
- 05.51.44
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: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: InsydeH2O 05.08.46/05.16.46/05.26.46/05.35.46/05.43.46/05.51.45
Timeline
10/01/2021 🔍01/06/2022 🔍
01/06/2022 🔍
01/09/2022 🔍
Sources
Advisory: insyde.comStatus: Confirmed
CVE: CVE-2021-41842 (🔍)
See also: 🔍
Entry
Created: 01/06/2022 07:04Updated: 01/09/2022 09:01
Changes: 01/06/2022 07:04 (39), 01/09/2022 09:01 (1)
Complete: 🔍
Cache ID: 3:1AC:103
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