Insecure Permissions in Plesk CMS Leading to Privilege Escalation
CVE-2021-45008

8.8HIGH

Key Information:

Vendor

Plesk

Status
Plesk
Vendor
CVE Published:
21 February 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-45008?

Plesk CMS version 18.0.37 is vulnerable to an insecure permissions issue that can lead to unauthorized users elevating their privileges to administrative levels. This vulnerability is specifically a concern for individual sites that utilize Plesk, as it allows for potential exploitation by users who could gain elevated access. Proper configuration and user management are crucial for mitigating the risks associated with this vulnerability.

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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-2021-45008
Created by AS4mir

References

https://github.com/AS4mir/CVE-2021-45008/blob/main/README.md
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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