How severe is CVE-2023-39397?

CVE-2023-39397 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-39397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39397?

CVE-2023-39397 primarily affects Huawei Emui. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-39397?

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-2023-39397 published?

CVE-2023-39397 was published on 2023-08-13 and last updated on 2026-06-17.

CVE-2023-39397

CVE-2023-39397 is a high-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Huawei Emui
Published: 2023-08-13
Last modified: 2026-06-17

Description

Input parameter verification vulnerability in the communication system. Successful exploitation of this vulnerability may affect availability.

Frequently asked questions

What is CVE-2023-39397?: Input parameter verification vulnerability in the communication system. Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2023-39397?: CVE-2023-39397 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-39397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39397?: CVE-2023-39397 primarily affects Huawei Emui. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-39397?: 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-2023-39397 published?: CVE-2023-39397 was published on 2023-08-13 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:huawei:emui:12.0.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:3.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:3.1.0:*:*:*:*:*:*:*

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Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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