CVE-2021-28998 - Vulnerability Details - OpenCVE

Description

File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

Published: 2023-05-08

Score: 7.2 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:cmsmadesimple:cms_made_simple:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-15645	File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00837.

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://github.com/beerpwn/CVE/blob/master/cms_made_simple_2021/file_upload_RCE/File_upload_to_RCE.md
https://seclists.org/fulldisclosure/2021/Mar/50

History

Wed, 29 Jan 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Cmsmadesimple Cms Made Simple

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-05-08T00:00:00.000Z

Updated: 2025-01-29T14:51:27.978Z

Reserved: 2021-03-22T00:00:00.000Z

Link: CVE-2021-28998

Vulnrichment

Updated: 2024-08-03T21:55:12.146Z

NVD

Status : Modified

Published: 2023-05-08T14:15:10.707

Modified: 2025-01-29T15:15:10.233

Link: CVE-2021-28998

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-434

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