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CVE-2022-44455

24
FAUCET Score

CVE-2022-44455 is a high-severity buffer overflow vulnerability affecting OpenHarmony-v3.1.2 and earlier versions, specifically within the appspawn and nwebspawn services. An unprivileged malicious application can exploit this flaw to achieve code execution within other installed applications or trigger application crashes. With a CVSS score of 7.8, this vulnerability has a low attack complexity and requires local access, but can lead to high impacts on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.1, <= 3.1.2CPE matchmatch criteria
cpe:2.3:a:openharmony:openharmony:*:*:*:*:*:*:*:*
>= 3.0, <= 3.0.6CPE matchmatch criteria
cpe:2.3:o:openatom:openharmony:*:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.5
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
10.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 38th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 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/2022/2022-12.md
Third Party Advisory