How severe is CVE-2021-42337?

CVE-2021-42337 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-42337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42337?

CVE-2021-42337 affects Aifu Cashier Accounting Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42337?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-42337 published?

CVE-2021-42337 was published on 2021-11-16 and last updated on 2026-06-17.

CVE-2021-42337

CVE-2021-42337 is a medium-severity vulnerability in Aifu Cashier Accounting Management System with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Aifu Cashier Accounting Management System
Published: 2021-11-16
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-42337?: CVE-2021-42337 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-42337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42337?: CVE-2021-42337 affects Aifu Cashier Accounting Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42337?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42337 published?: CVE-2021-42337 was published on 2021-11-16 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-5296-cbf80-1.html

Affected products (1)

cpe:2.3:a:aifu:cashier_accounting_management_system:-:*:*:*:*:*:*:*

Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

Browse all CWE-285 (Improper Authorization) vulnerabilities →