How severe is CVE-2023-22436?

CVE-2023-22436 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-22436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22436?

CVE-2023-22436 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22436?

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-2023-22436 published?

CVE-2023-22436 was published on 2023-03-10 and last updated on 2026-06-17.

CVE-2023-22436

CVE-2023-22436 is a high-severity vulnerability in Openatom Openharmony with a CVSS 3.x base score of 7.8. 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-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Openatom Openharmony
Published: 2023-03-10
Last modified: 2026-06-17

Description

The kernel subsystem function check_permission_for_set_tokenid within OpenHarmony-v3.1.5 and prior versions has an UAF vulnerability which local attackers can exploit this vulnerability to escalate the privilege to root.

Frequently asked questions

What is CVE-2023-22436?: The kernel subsystem function check_permission_for_set_tokenid within OpenHarmony-v3.1.5 and prior versions has an UAF vulnerability which local attackers can exploit this vulnerability to escalate the privilege to root.
How severe is CVE-2023-22436?: CVE-2023-22436 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-22436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22436?: CVE-2023-22436 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22436?: 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-2023-22436 published?: CVE-2023-22436 was published on 2023-03-10 and last updated on 2026-06-17.

References

https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2023/2023-02.md

Affected products (1)

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

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