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Showdoc CVE-2021-41745

CRITICAL
Unrestricted Upload of File with Dangerous Type (CWE-434)
2021-10-22 cve@mitre.org
File Upload Showdoc
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Oct 22, 2021 - 12:15 nvd
CRITICAL 9.8

DescriptionNVD

ShowDoc 2.8.3 ihas a file upload vulnerability, where attackers can use the vulnerability to obtain server permissions.

AnalysisAI

ShowDoc 2.8.3 ihas a file upload vulnerability, where attackers can use the vulnerability to obtain server permissions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. ShowDoc 2.8.3 ihas a file upload vulnerability, where attackers can use the vulnerability to obtain server permissions. Affected products include: Showdoc.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

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There is a Unrestricted Upload of File vulnerability in ShowDoc v2.10.3 in GitHub repository star7th/showdoc prior to 2.
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Same weakness CWE-434 – Unrestricted Upload of File with Dangerous Type

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CVE-2024-5084 CRITICAL POC
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CVE-2020-36847 CRITICAL POC
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Same technique File Upload

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CVE-2016-3088 CRITICAL POC
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CVE-2017-11357 CRITICAL POC
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CVE-2024-5084 CRITICAL POC
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CVE-2016-6600 CRITICAL POC
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CVE-2017-6090 HIGH POC
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CVE-2015-8249 CRITICAL POC
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CVE-2021-41745 vulnerability details – vuln.today
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