What is CVE-2021-35337?

CVE-2021-35337 is a medium-severity vulnerability in Phone Shop Sales Management System Project, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2021-07-01.

How severe is CVE-2021-35337?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Phone Shop Sales Management System Project

CVE-2021-35337

Sourcecodester Phone Shop Sales Managements System 1.0 is vulnerable to Insecure Direct Object Reference (IDOR). Any attacker will be able to see the invoices of different users by changing the id parameter.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2021-07-01 · last modified 2026-06-17.

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: 0.008 (55.7th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Phone Shop Sales Management System Project — versions 1.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.exploit-db.com/exploits/50050 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-35337?: CVE-2021-35337 is a medium-severity vulnerability in Phone Shop Sales Management System Project, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2021-07-01.
How severe is CVE-2021-35337?: Medium severity. CVSS v3 base score is 4.3 out of 10.