CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability was found in Huawei P9 (Smartphone Operating System) (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Screen Lock. The manipulation as part of a Word File leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Huawei P9 versions earlier before EVA-AL10C00B373, versions earlier before EVA-CL00C92B373, versions earlier before EVA-DL00C17B373, versions earlier before EVA-TL00C01B373 have a lock-screen bypass vulnerability. An unauthenticated attacker could force the phone to the fastboot mode and delete the user's password file during the reboot process, then login the phone without screen lock password after reboot.
The bug was discovered 01/18/2017. The weakness was published 11/22/2017 (Website). The advisory is shared at huawei.com. The identification of this vulnerability is CVE-2017-2691 since 12/01/2016. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/11/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 308 days. During that time the estimated underground price was around $5k-$25k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Type
Vendor
Name
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: 6.8VulDB Meta Temp Score: 6.8
VulDB Base Score: 6.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.8
NVD Vector: 🔍
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: Access controlCWE: CWE-284 / CWE-266
ATT&CK: T1068
Local: Yes
Remote: No
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
12/01/2016 🔍01/18/2017 🔍
01/18/2017 🔍
11/22/2017 🔍
11/22/2017 🔍
11/23/2017 🔍
01/11/2023 🔍
Sources
Vendor: huawei.comAdvisory: sa-20170118-01
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-2691 (🔍)
SecurityFocus: 95658 - Huawei Smart Phones CVE-2017-2691 Security Bypass Vulnerability
Entry
Created: 11/23/2017 07:42Updated: 01/11/2023 09:28
Changes: 11/23/2017 07:42 (59), 12/09/2019 15:18 (4), 01/11/2023 09:28 (3)
Complete: 🔍
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