Auth bypass in Aifu Cashier Accounting Management System

CVE-2021-42337

The permission control of AIFU cashier management salary query function can be bypassed, thus after obtaining general user’s permission, the remote attacker can access account information except passwords by crafting URL parameters.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% 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-2021-42337: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-42337?
CVE-2021-42337 is a medium-severity vulnerability in Aifu Cashier Accounting Management System, classified under Improper Authorization. CVSS score: 4.3/10. Published 2021-11-16.
How severe is CVE-2021-42337?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-42337 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.