Is CVE-2017-8142 in the CISA KEV catalog?

No. CVE-2017-8142 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8142?

CVE-2017-8142 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2017-8142?

CVE-2017-8142 has an EPSS score of 1.07% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-8142?

Upgrade mate 9 firmware to mha-al00bc00b221 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-8142

HIGH

7.8

CVSS v3

NVD

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.

CWE-416Use After Free

How to fix

Remediation Available

mate 9 firmwareNVD

Affected:< mha-al00bc00b221Fixed in:mha-al00bc00b221CVE-2017-8142derived from NVD

mate 9 pro firmwareNVD

Affected:< lon-al00bc00b221Fixed in:lon-al00bc00b221CVE-2017-8142derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.07%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Vendor Advisory1

huawei.com

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.