Auth bypass in Qsige
CVE-2023-4099
The QSige Monitor application does not have an access control mechanism to verify whether the user requesting a resource has sufficient permissions to do so. As a prerequisite, it is necessary to log into the application.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (22.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Qsige — versions 3.0.0.0
- Qsige De Idm Sistemas — versions 3.0.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-idm-sistema… (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4099?
- CVE-2023-4099 is a high-severity vulnerability in Qsige, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.6/10. Published 2023-10-03.
- How severe is CVE-2023-4099?
- High severity. CVSS v3 base score is 7.6 out of 10.
- Is CVE-2023-4099 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.