CVE-2020-21431
HongCMS v3.0 contains an arbitrary file read and write vulnerability in the component /admin...
HongCMS v3.0 contains an arbitrary file read and write vulnerability in the component /admin/index.php/template/edit.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
HongCMS v3.0 contains an arbitrary file read and write vulnerability in the component /admin/index.php/template/edit.
- Record
CVE-2020-21431- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:N - Updated
- 2026-11-02
CVE List No score
HongCMS v3.0 contains an arbitrary file read and write vulnerability in the component /admin/index.php/template/edit.
- Record
CVE-2020-21431- Updated
- 2026-11-02
EUVDEUVD-2020-14203 No score
HongCMS v3.0 contains an arbitrary file read and write vulnerability in the component /admin/index.php/template/edit.
- Record
EUVD-2020-14203- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hp63-x8c8-jq88 No score
HongCMS v3.0 contains an arbitrary file read and write vulnerability in the component /admin...
HongCMS v3.0 contains an arbitrary file read and write vulnerability in the component /admin/index.php/template/edit.
- Record
GHSA-hp63-x8c8-jq88- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-21431 is a medium vulnerability (CVSS 6.5) in Hongcms Project Hongcms, published October 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. No source names a fixed version.