How severe is CVE-2022-36423?

CVE-2022-36423 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-36423 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36423?

CVE-2022-36423 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-2022-36423?

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-2022-36423 published?

CVE-2022-36423 was published on 2022-09-09 and last updated on 2026-06-17.

CVE-2022-36423

CVE-2022-36423 is a high-severity vulnerability in Openharmony with a CVSS 3.x base score of 7.4. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Openharmony
Published: 2022-09-09
Last modified: 2026-06-17

Description

OpenHarmony-v3.1.2 and prior versions have an incorrect configuration of the cJSON library, which leads a Stack overflow vulnerability during recursive parsing. LAN attackers can lead a DoS attack to all network devices.

Frequently asked questions

What is CVE-2022-36423?: OpenHarmony-v3.1.2 and prior versions have an incorrect configuration of the cJSON library, which leads a Stack overflow vulnerability during recursive parsing. LAN attackers can lead a DoS attack to all network devices.
How severe is CVE-2022-36423?: CVE-2022-36423 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-36423 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36423?: CVE-2022-36423 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-2022-36423?: 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-2022-36423 published?: CVE-2022-36423 was published on 2022-09-09 and last updated on 2026-06-17.

References

https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-09.md

Affected products (2)

cpe:2.3:a:openharmony:openharmony:*:*:*:*:long_term_support:*:*:*
cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*

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