CVE-2023-49794
CVE-2023-49794 is a medium-severity vulnerability in Kernelsu with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-290.
Key facts
- Severity: Medium (CVSS 3.x base score 6.7)
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-53712
- Weakness: CWE-290
- Affected product: Kernelsu
- Published:
- Last modified:
Description
KernelSU is a Kernel-based root solution for Android devices. In versions 0.7.1 and prior, the logic of get apk path in KernelSU kernel module can be bypassed, which causes any malicious apk named `me.weishu.kernelsu` get root permission. If a KernelSU module installed device try to install any not checked apk which package name equal to the official KernelSU Manager, it can take over root privileges on the device. As of time of publication, a patched version is not available.
Frequently asked questions
- What is CVE-2023-49794?
- KernelSU is a Kernel-based root solution for Android devices. In versions 0.7.1 and prior, the logic of get apk path in KernelSU kernel module can be bypassed, which causes any malicious apk named `me.weishu.kernelsu` get root permission. If a KernelSU module installed device try to install any not checked apk which package name equal to the official KernelSU Manager, it can take over root privileges on the device. As of time of publication, a patched version is not available.
- How severe is CVE-2023-49794?
- CVE-2023-49794 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-49794 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-49794?
- CVE-2023-49794 affects Kernelsu. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-49794?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-49794 have an EU (EUVD) identifier?
- Yes. CVE-2023-49794 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53712.
- When was CVE-2023-49794 published?
- CVE-2023-49794 was published on 2024-01-02 and last updated on 2026-06-17.
References
- https://drive.google.com/file/d/1b9UrmG_co9EJXB_yMBneRArUIR5sTuaN/view?usp=drive_link
- https://github.com/tiann/KernelSU/security/advisories/GHSA-8rc5-x54x-5qc4
Affected products (1)
- cpe:2.3:a:kernelsu:kernelsu:*:*:*:*:*:*:*:*
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- CVE-2023-5521 — Critical (CVSS 9.8): Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
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