What’s Vulnerable › Vulnerabilities

CVE-2021-44155

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-13 · updated 2026-06-17
• Weakness: CWE-209

Description

An issue was discovered in /goform/login_process in Reprise RLM 14.2. When an attacker attempts to login, the response if a username is valid includes Login Failed, but does not include this string if the username is invalid. This allows an attacker to enumerate valid users.

Affected products

• Reprisesoftware Reprise License Manager: from 14.2 before 15.1 — fixed in 15.1

How to fix

Upgrade to a fixed version: Reprisesoftware Reprise License Manager 15.1. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/165182/Reprise-License-Manager-14.2-User-Enumeration.html
• https://reprisesoftware.com/admin/rlm-admin-download.php?&euagree=yes
• https://www.reprisesoftware.com/RELEASE_NOTES
• http://packetstormsecurity.com/files/165182/Reprise-License-Manager-14.2-User-Enumeration.html
• https://reprisesoftware.com/admin/rlm-admin-download.php?&euagree=yes
• https://www.reprisesoftware.com/RELEASE_NOTES

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