CVE-2021-28399
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address...
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address via the forgot password function.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address via the forgot password function.
- Record
CVE-2021-28399- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address via the forgot password function.
- Record
CVE-2021-28399- Updated
- 2026-11-02
EUVDEUVD-2021-15079 No score
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address via the forgot password function.
- Record
EUVD-2021-15079- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j4rv-w4j7-w5fq No score
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address...
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address via the forgot password function.
- Record
GHSA-j4rv-w4j7-w5fq- Updated
- 2026-11-02
OSV
OrangeHRM 4.7 allows an unauthenticated user to enumerate the valid username and email address via the forgot password function.
- Record
CVE-2021-28399- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28399 is a medium vulnerability (CVSS 5.3) in Orangehrm, published April 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.