How severe is CVE-2023-37239?

CVE-2023-37239 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-2023-37239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37239?

CVE-2023-37239 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-2023-37239?

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-2023-37239 published?

CVE-2023-37239 was published on 2023-07-06 and last updated on 2026-06-17.

CVE-2023-37239

CVE-2023-37239 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Huawei Emui
Published: 2023-07-06
Last modified: 2026-06-17

Description

Format string vulnerability in the distributed file system. Attackers who bypass the selinux permission can exploit this vulnerability to crash the program.

Frequently asked questions

What is CVE-2023-37239?: Format string vulnerability in the distributed file system. Attackers who bypass the selinux permission can exploit this vulnerability to crash the program.
How severe is CVE-2023-37239?: CVE-2023-37239 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-2023-37239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37239?: CVE-2023-37239 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-2023-37239?: 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-2023-37239 published?: CVE-2023-37239 was published on 2023-07-06 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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