CVE-2023-5521
Incorrect Authorization in tiann/kernelsu
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Incorrect Authorization in tiann/kernelsu
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
- Record
CVE-2023-5521- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2023-57834
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
- Record
EUVD-2023-57834- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pcx2-r23v-3j7c
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
- Record
GHSA-pcx2-r23v-3j7c- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
- Record
CVE-2023-5521- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.3 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
Incorrect Authorization in tiann/kernelsu
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
- Record
CVE-2023-5521- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Ylarod/CVE-2023-5521 | 2023-10-11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-5521 is a high vulnerability (CVSS 7.3) in Kernelsu, published October 11, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. No source names a fixed version.