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CVE-2022-36423

24
FAUCET Score

CVE-2022-36423 is a stack overflow vulnerability in OpenHarmony-v3.1.2 and earlier versions, stemming from an incorrect configuration of the cJSON library during recursive parsing. This flaw allows unauthenticated attackers on the local area network (LAN) to trigger a Denial of Service (DoS) attack against all affected network devices. Rated 7.4 HIGH on CVSS, it requires low attack complexity and has a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.1.0, <= 1.1.5CPE matchmatch criteria
cpe:2.3:a:openharmony:openharmony:*:*:*:*:long_term_support:*:*:*
>= 3.0, <= 3.0.5CPE matchmatch criteria
cpe:2.3:a:openharmony:openharmony:*:*:*:*:long_term_support:*:*:*
>= 3.1, <= 3.1.2CPE matchmatch criteria
cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.4HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 20th percentile among its peer group of 1,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gitee.com / openharmony/security/blob/master/en/security-disclosure/2022/2022-09.md
Third Party Advisory