CVE & CISA-KEV Catalog

CVE-2020-26048

HIGHEPSS 77th pctl
8.8
CVSS v3
NVD

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.

How to fix

Remediation Available
cuppacmsNVD
Affected:< 2019-11-12Fixed in:2019-11-12CVE-2020-26048derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

1.86%probability of exploitation in 30 days
77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-12617High8.1100%KEVFix
CVE-2018-15961Critical9.8100%KEV-
CVE-2021-31207Medium6.6100%KEV + RansomFix
CVE-2017-12615High8.1100%KEV + Ransom-
CVE-2025-31324Critical10.099%KEV + Ransom-
CVE-2024-50623Critical9.899%KEV + RansomFix
Embed a live status badge for CVE-2020-26048
CVE-2020-26048 severity badge

Markdown

[![CVE-2020-26048](https://tridentstack.com/cve/badge/CVE-2020-26048.svg)](https://tridentstack.com/cve/CVE-2020-26048)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-26048"><img src="https://tridentstack.com/cve/badge/CVE-2020-26048.svg" alt="CVE-2020-26048"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.