What’s Vulnerable › Vulnerabilities

CVE-2021-33031

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-10 · updated 2026-06-17
• Weakness: CWE-862

Description

In LabCup before <v2_next_18022, it is possible to use the save API to perform unauthorized actions for users without access to user management in order to, after successful exploitation, gain access to a victim's account. A user without the user-management privilege can change another user's email address if the attacker knows details of the victim such as the exact roles and group roles, ID, and remote authentication ID settings. These must be sent in a modified save API request. It was fixed in 6.3.0.03.

Affected products

• Labcup: before v2_next_18022 — fixed in v2_next_18022

How to fix

Upgrade to a fixed version: Labcup v2_next_18022. Check the vendor advisory for mitigations.

References

• https://github.com/Accenture/AARO-Bugs/blob/master/AARO-CVE-List.md
• https://labcup.net/privacy-data-security/
• https://github.com/Accenture/AARO-Bugs/blob/master/AARO-CVE-List.md
• https://labcup.net/privacy-data-security/

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