RCE in Kylinos Youker-Assistant
CVE-2023-2091
A vulnerability classified as critical was found in KylinSoft youker-assistant on KylinOS. Affected by this vulnerability is the function adjust_cpufreq_scaling_governer. The manipulation leads to os command injection. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.4.13 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-226099.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
- github.com/i900008/vulndb/blob/main/youker-assistant_vuln.md (Exploit, Third Party Advisory, exploit, broken-link)
- kylinos.cn/support/loophole/patch/3375.html (patch)
Frequently asked questions
- What is CVE-2023-2091?
- CVE-2023-2091 is a high-severity vulnerability in Kylinos Youker-Assistant, classified under OS Command Injection. CVSS score: 7.8/10. Published 2023-04-15.
- How severe is CVE-2023-2091?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-2091 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.