CVE-2020-21489
Liufee CMS File Upload vulnerability
File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.
- Record
CVE-2020-21489- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List
File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.
- Record
CVE-2020-21489- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2023-1716
File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.
- Record
EUVD-2023-1716- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6vf2-mfmr-qqqw
Liufee CMS File Upload vulnerability
File Upload vulnerability in Liufee CMS, AKA Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.
- Record
GHSA-6vf2-mfmr-qqqw- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.
- Record
CVE-2020-21489- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-6vf2-mfmr-qqqw
Liufee CMS File Upload vulnerability
File Upload vulnerability in Liufee CMS, AKA Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.
- Record
GHSA-6vf2-mfmr-qqqw- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
feehi/cmsPackagist |
before 2.0.8.1 | 2.0.8.1 |
feehi/cmsPackagist |
before 2.0.8.1, plus listed versions 0.0.10.0.20.0.30.0.40.0.5 Show 28 moreShow less0.0.60.0.70.0.80.0.90.1.00.1.10.1.20.1.31.0.0-alpha31.0.0alpha11.0.0alpha21.0.0beta11.0.0beta21.0.0beta31.0.0rc11.0.0rc22.0.02.0.12.0.22.0.32.0.42.0.4.12.0.52.0.5.12.0.62.0.72.0.7.12.0.8 |
2.0.8.1 |
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-2020-21489 is a critical vulnerability (CVSS 9.8) in Feehi Feehicms, published June 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. Fixed in feehi/cms 2.0.8.1.