CVE-2021-39501
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url...
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url via the Logout function.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url via the Logout function.
- Record
CVE-2021-39501- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
CVE ListNo score
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url via the Logout function.
- Record
CVE-2021-39501- Updated
- 2026-11-02
EUVDEUVD-2021-25858No score
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url via the Logout function.
- Record
EUVD-2021-25858- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4x4m-9cqh-w9qgNo score
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url...
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url via the Logout function.
- Record
GHSA-4x4m-9cqh-w9qg- Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url via the Logout function.
- Record
CVE-2021-39501- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | EyouCMS 1.5.4 Open Redirect |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39501 is a medium vulnerability (CVSS 6.1) in Eyoucms, published September 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.59%, the 89th percentile. No source names a fixed version.