CVE-2020-26048

HIGHCVSS 8.8/10EPSS 1.79%

Last modified

CVE-2020-26048 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.. EPSS estimates a 1.79% chance of exploitation in the next 30 days.

Description

The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.79%

75.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CuppacmsCuppacms< 2019-11-12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-26048?
The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.
How severe is CVE-2020-26048?
CVE-2020-26048 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.
How do I fix CVE-2020-26048?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26048?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST