CVE-2020-21483
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary...
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
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
- High
Exploit likelihood
What each source reports
NVD Score used
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
- Record
CVE-2020-21483- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
- Record
CVE-2020-21483- Updated
- 2026-11-02
EUVDEUVD-2020-14255 No score
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
- Record
EUVD-2020-14255- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3rhf-q6c8-mqq2 No score
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary...
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
- Record
GHSA-3rhf-q6c8-mqq2- Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
- Record
CVE-2020-21483- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - 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-2020-21483 is a high vulnerability (CVSS 7.2) in Jizhicms, published September 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. No source names a fixed version.