Every CVE Search/ Get API key

CVE-2020-20092

File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by...

9.8 Critical

File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.

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

1.29%Up 0.9 points since May 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.

Record
CVE-2020-20092
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-434
Updated
2026-11-02
CVE List No score

File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.

Record
CVE-2020-20092
Updated
2026-11-02
EUVDEUVD-2020-12882 No score

File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.

Record
EUVD-2020-12882
Updated
2026-11-03
GitHub AdvisoriesGHSA-cxj4-6hjw-fcm6 No score

File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by...

File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.

Record
GHSA-cxj4-6hjw-fcm6
Weakness
CWE-434
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-20092 is a critical vulnerability (CVSS 9.8) in Articlecms Project Articlecms, published May 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. No source names a fixed version.

References

MoveEnter Open