ASUS UX360CA BIOS up to 303 SMM Local Privilege Escalation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in ASUS UX360CA BIOS up to 303. The affected element is an unknown function of the component SMM. This manipulation causes an unknown weakness. This vulnerability is tracked as CVE-2021-26943. It is feasible to perform the attack on the physical device. No exploit exists.
Details
A vulnerability has been found in ASUS UX360CA BIOS up to 303 and classified as critical. Affected by this vulnerability is an unknown code of the component SMM. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 04/01/2021. The advisory is shared at asus.com. This vulnerability is known as CVE-2021-26943. Neither technical details nor an exploit are publicly available.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.asus.com/
CPE 2.3
CPE 2.2
Video

CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.6
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Local Privilege EscalationCWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Yes
Remote: No
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
02/09/2021 🔍04/01/2021 🔍
04/01/2021 🔍
04/07/2021 🔍
Sources
Vendor: asus.comAdvisory: asus.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-26943 (🔍)
GCVE (CVE): GCVE-0-2021-26943
GCVE (VulDB): GCVE-100-172057
Entry
Created: 04/01/2021 08:02Updated: 04/07/2021 15:28
Changes: 04/01/2021 08:02 (35), 04/07/2021 15:28 (3)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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