Home/CVE/Vulnerability of insecure signatures in the OsuLogin module. Successful exploitation of this vulnerability may cause Osu
CVE

CVE-2023-39392

Vulnerability of insecure signatures in the OsuLogin module. Successful exploitation of this vulnerability may cause Osu

Vulnerability of insecure signatures in the OsuLogin module. Successful exploitation of this vulnerability may cause OsuLogin to be maliciously modified and overwritten.

HIGH · CVSS 7.5 EPSS 0.00034
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-347Improper Verification of Cryptographic Signature
▤

Affected Products & Versions

2
huawei emuiall versions
huawei harmonyosall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · psirt@huawei.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Aug 2023 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://consumer.huawei.com/en/support/bulletin/2023/8/Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202308-0000001667644725Vendor Advisory
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