Is CVE-2017-8203 in the CISA KEV catalog?

No. CVE-2017-8203 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8203?

CVE-2017-8203 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2017-8203?

CVE-2017-8203 has an EPSS score of 1.00% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-8203?

Upgrade nova 2 firmware to pic-al00c00b173 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-8203

HIGH

7.8

CVSS v3

NVD

Description

The Bastet Driver of Nova 2 Plus,Nova 2 Huawei smart phones with software of Versions earlier than BAC-AL00C00B173,Versions earlier than PIC-AL00C00B173 has a use after free (UAF) vulnerability. An attacker can convince a user to install a malicious application which has a high privilege to exploit this vulnerability, Successful exploitation may cause arbitrary code execution.

CWE-416Use After Free

How to fix

Remediation Available

nova 2 firmwareNVD

Affected:< pic-al00c00b173Fixed in:pic-al00c00b173CVE-2017-8203derived from NVD

nova 2 plus firmwareNVD

Affected:< bac-al00c00b173Fixed in:bac-al00c00b173CVE-2017-8203derived 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

1.00%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Vendor Advisory1

huawei.com

Third-Party Advisory1

securityfocus.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.