How severe is CVE-2022-44455?

CVE-2022-44455 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2022-44455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-44455?

CVE-2022-44455 primarily affects Openharmony. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-44455?

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

When was CVE-2022-44455 published?

CVE-2022-44455 was published on 2022-12-08 and last updated on 2026-06-17.

CVE-2022-44455

CVE-2022-44455 is a medium-severity vulnerability in Openharmony with a CVSS 3.x base score of 6.8. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Openharmony
Published: 2022-12-08
Last modified: 2026-06-17

Description

The appspawn and nwebspawn services within OpenHarmony-v3.1.2 and prior versions were found to be vulnerable to buffer overflow vulnerability due to insufficient input validation. An unprivileged malicious application would be able to gain code execution within any application installed on the device or cause application crash.

Frequently asked questions

What is CVE-2022-44455?: The appspawn and nwebspawn services within OpenHarmony-v3.1.2 and prior versions were found to be vulnerable to buffer overflow vulnerability due to insufficient input validation. An unprivileged malicious application would be able to gain code execution within any application installed on the device or cause application crash.
How severe is CVE-2022-44455?: CVE-2022-44455 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2022-44455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-44455?: CVE-2022-44455 primarily affects Openharmony. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-44455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-44455 published?: CVE-2022-44455 was published on 2022-12-08 and last updated on 2026-06-17.

References

https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-12.md

Affected products (2)

cpe:2.3:a:openharmony:openharmony:*:*:*:*:*:*:*:*
cpe:2.3:o:openatom:openharmony:*:*:*:*:lts:*:*:*

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