How severe is CVE-2021-39982?

CVE-2021-39982 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-39982 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39982?

CVE-2021-39982 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39982?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-39982 published?

CVE-2021-39982 was published on 2022-01-03 and last updated on 2026-06-17.

CVE-2021-39982

CVE-2021-39982 is a critical-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 9.1. 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-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Huawei Harmonyos
Published: 2022-01-03
Last modified: 2026-06-17

Description

Phone Manager application has a Improper Privilege Management vulnerability.Successful exploitation of this vulnerability may read and write arbitrary files by tampering with Phone Manager notifications.

Frequently asked questions

What is CVE-2021-39982?: Phone Manager application has a Improper Privilege Management vulnerability.Successful exploitation of this vulnerability may read and write arbitrary files by tampering with Phone Manager notifications.
How severe is CVE-2021-39982?: CVE-2021-39982 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-39982 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39982?: CVE-2021-39982 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39982?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-39982 published?: CVE-2021-39982 was published on 2022-01-03 and last updated on 2026-06-17.

References

https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526

Affected products (1)

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

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