CVE-2020-24033
An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an...
An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges.
- Record
CVE-2020-24033- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges.
- Record
CVE-2020-24033- Updated
- 2026-11-02
EUVDEUVD-2020-16769 No score
An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges.
- Record
EUVD-2020-16769- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hmcm-7mfh-522v No score
An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an...
An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges.
- Record
GHSA-hmcm-7mfh-522v- Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | M0NsTeRRR/CVE-2020-24033 | 2020-07-13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-24033 is a high vulnerability (CVSS 8.8) in Fs S3900 24t4s Firmware, published October 22, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.