How severe is CVE-2021-37023?

CVE-2021-37023 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-37023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37023?

CVE-2021-37023 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37023?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-37023 published?

CVE-2021-37023 was published on 2021-11-23 and last updated on 2026-06-17.

CVE-2021-37023

CVE-2021-37023 is a medium-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 6.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Huawei Harmonyos
Published: 2021-11-23
Last modified: 2026-06-17

Description

There is a Improper Access Control vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause media files which can be reads and writes in non-distributed directories on any device on the network..

Frequently asked questions

What is CVE-2021-37023?: There is a Improper Access Control vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause media files which can be reads and writes in non-distributed directories on any device on the network..
How severe is CVE-2021-37023?: CVE-2021-37023 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-37023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37023?: CVE-2021-37023 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37023 published?: CVE-2021-37023 was published on 2021-11-23 and last updated on 2026-06-17.

References

https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202108-0000001180965965

Affected products (1)

cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*

More vulnerabilities in Huawei Harmonyos

CVE-2023-34157 — Critical (CVSS 10.0): Vulnerability of HwWatchHealth being hijacked.Successful exploitation of this vulnerability may cause repeated pop-up…
CVE-2023-52381 — Critical (CVSS 9.8): Script injection vulnerability in the email module.Successful exploitation of this vulnerability may affect service…
CVE-2023-52378 — Critical (CVSS 9.8): Vulnerability of incorrect service logic in the WindowManagerServices module.Successful exploitation of this…
CVE-2023-52370 — Critical (CVSS 9.8): Stack overflow vulnerability in the network acceleration module.Successful exploitation of this vulnerability may cause…
CVE-2023-52103 — Critical (CVSS 9.8): Buffer overflow vulnerability in the FLP module. Successful exploitation of this vulnerability may cause out-of-bounds…
CVE-2023-46773 — Critical (CVSS 9.8): Permission management vulnerability in the PMS module. Successful exploitation of this vulnerability may cause…

All CVEs affecting Huawei Harmonyos →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →