Auth bypass in Classapps Selectsurvey.net
CVE-2021-41608
A file disclosure vulnerability in the UploadedImageDisplay.aspx endpoint of SelectSurvey.NET before 5.052.000 allows a remote, unauthenticated attacker to retrieve survey user submitted data by modifying the value of the ID parameter in sequential order beginning from 1.
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: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.classapps.com/product_ssv5.aspx (Product, Vendor Advisory)
- www.optiv.com/insights/source-zero/blog/classapps-inc-selectsurveynet-v50-vulne… (Exploit, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2021-41608?
- CVE-2021-41608 is a high-severity vulnerability in Classapps Selectsurvey.net, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2022-01-28.
- How severe is CVE-2021-41608?
- High severity. CVSS v3 base score is 7.5 out of 10.