Integria IMS login check uses a loose comparator ("==") to compare the MD5 hash of the password provided by the user and the MD5 hash stored in the database. An attacker with a specific formatted password could exploit this vulnerability in order to login in the system with different passwords.
Published 2021-10-07 16:15:09
Updated 2023-11-20 14:15:07
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-3833

0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3833

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
Spanish National Cybersecurity Institute, S.A. (INCIBE)
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.9
2.5
Spanish National Cybersecurity Institute, S.A. (INCIBE)
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2021-3833

  • The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses.
    Assigned by:
    • cve-coordination@incibe.es (Secondary)
    • nvd@nist.gov (Primary)
  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
    Assigned by: cve-coordination@incibe.es (Secondary)

References for CVE-2021-3833

Products affected by CVE-2021-3833

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