How severe is CVE-2017-8142?

CVE-2017-8142 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-8142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8142?

CVE-2017-8142 primarily affects Huawei Mate 9 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-8142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-8142 published?

CVE-2017-8142 was published on 2017-11-22 and last updated on 2026-06-17.

CVE-2017-8142

CVE-2017-8142 is a high-severity vulnerability in Huawei Mate 9 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Huawei Mate 9 Firmware
Published: 2017-11-22
Last modified: 2026-06-17

Description

The Trusted Execution Environment (TEE) module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free (UAF) vulnerability. An attacker tricks a user into installing a malicious application, and the application can start multiple threads and try to create and free specific memory, which could triggers access memory after free it and causes a system crash or arbitrary code execution.

Frequently asked questions

What is CVE-2017-8142?: The Trusted Execution Environment (TEE) module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free (UAF) vulnerability. An attacker tricks a user into installing a malicious application, and the application can start multiple threads and try to create and free specific memory, which could triggers access memory after free it and causes a system crash or arbitrary code execution.
How severe is CVE-2017-8142?: CVE-2017-8142 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-8142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8142?: CVE-2017-8142 primarily affects Huawei Mate 9 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-8142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-8142 published?: CVE-2017-8142 was published on 2017-11-22 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170615-01-smartphone-en

Affected products (2)

cpe:2.3:o:huawei:mate_9_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:mate_9_pro_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Huawei Mate 9 Firmware

CVE-2017-15311 — High (CVSS 8.8): The baseband modules of Mate 10, Mate 10 Pro, Mate 9, Mate 9 Pro Huawei smart phones with software before ALP-AL00…
CVE-2017-15316 — High (CVSS 7.8): The GPU driver of Mate 9 Huawei smart phones with software before MHA-AL00B 8.0.0.334(C00) and Mate 9 Pro Huawei smart…
CVE-2017-2716 — High (CVSS 7.8): The camerafs driver in Mate 9 Versions earlier than MHA-AL00BC00B173 has buffer overflow vulnerability. An attacker…
CVE-2017-2707 — High (CVSS 7.1): Mate 9 smartphones with software MHA-AL00AC00B125 have a privilege escalation vulnerability in Push module. An attacker…
CVE-2017-2706 — High (CVSS 7.1): Mate 9 smartphones with software MHA-AL00AC00B125 have a directory traversal vulnerability in Push module. Since the…
CVE-2017-2703 — Medium (CVSS 6.8): Phone Finder in versions earlier before MHA-AL00BC00B156,Versions earlier before MHA-CL00BC00B156,Versions earlier…

All CVEs affecting Huawei Mate 9 Firmware →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

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