Directory Traversal in Novel-plus Affects File Download Features
CVE-2021-30048

5.3MEDIUM

Key Information:

Vendor

Novel Boutique House-plus Project

Status
Novel Boutique House-plus
Vendor
CVE Published:
29 April 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-30048?

The vulnerability in Novel-plus version 3.5.1 allows an attacker to exploit a directory traversal flaw in the fileDownload function within the FileController. By manipulating the filePath parameter, unauthorized users can read arbitrary files on the server, potentially exposing sensitive information. This issue poses significant risks to data confidentiality and integrity, making it imperative for users of affected versions to apply security updates.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-30048 - Proof of Concept

References

https://www.exploit-db.com/exploits/49724
x_refsource_MISC
https://github.com/201206030/novel-plus/issues/39
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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