Auth bypass in Mfasoft Secure Authentication Server

CVE-2024-46937

An improper access control (IDOR) vulnerability in the /api-selfportal/get-info-token-properties endpoint in MFASOFT Secure Authentication Server (SAS) 1.8.x through 1.9.x before 1.9.040924 allows remote attackers gain access to user tokens without authentication. The is a brute-force attack on the serial parameter by number identifier: GA00001, GA00002, GA00003, etc.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-46937: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-46937?
CVE-2024-46937 is a high-severity vulnerability in Mfasoft Secure Authentication Server, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2024-09-16.
How severe is CVE-2024-46937?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-46937 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.