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CVE-2025-27577

25
FAUCET Score

CVE-2025-27577 is a race condition vulnerability in OpenHarmony v5.0.3 and earlier versions, allowing a local attacker to achieve arbitrary code execution within the tcb. This vulnerability carries a CVSS score of 7.0 (HIGH), indicating that an attacker with low privileges can exploit it with high attack complexity to gain full confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.0.3CPE matchmatch criteria
cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.10%
Probability of exploitation in next 30 days
EPSS Percentile
1.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0010 is in the 7th percentile among its peer group of 1,523 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 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gitee.com / openharmony/security/blob/master/zh/security-disclosure/2025/2025-08.md
Vendor Advisory