Auth bypass in Netsetman
CVE-2021-34546
An unauthenticated attacker with physical access to a computer with NetSetMan Pro before 5.0 installed, that has the pre-logon profile switch button within the Windows logon screen enabled, is able to drop to an administrative shell and execute arbitrary commands as SYSTEM via the "save log to file" feature. To accomplish this, the attacker can navigate to cmd.exe.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.secuvera.de/advisories/secuvera-SA-2021-01.txt (Exploit, Third Party Advisory)
- www.secuvera.de (Third Party Advisory)
- www.netsetman.com (Vendor Advisory)
- seclists.org/fulldisclosure/2021/Jun/17 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/163097/NetSetManPro-4.7.2-Privilege-Escalation.ht… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-34546?
- CVE-2021-34546 is a medium-severity vulnerability in Netsetman, classified under Improper Authentication. CVSS score: 6.8/10. Published 2021-06-10.
- How severe is CVE-2021-34546?
- Medium severity. CVSS v3 base score is 6.8 out of 10.