This vulnerability exists in RupeeWeb trading platform due to improper implementation of OTP validation mechanism in certain API endpoints. A remote attacker with valid credentials could exploit this vulnerability by manipulating API responses. Successful exploitation of this vulnerability could allow the attacker to bypass Two-Factor Authentication (2FA) for other user accounts.
Solution:
The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker.
Link | Tags |
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https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2025-0020 | third party advisory |