Buffer Overflow Vulnerability in Core FTP Server by Core FTP LLC
CVE-2020-19596

9.8CRITICAL

Key Information:

Vendor

Coreftp

Status
Core Ftp
Vendor
CVE Published:
5 April 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-19596?

A buffer overflow vulnerability exists in Core FTP Server v1.2 Build 583 that can be exploited via a specially crafted username. Attackers can leverage this flaw to potentially execute arbitrary code on the server, posing a significant risk to data integrity and confidentiality. Proper input validation measures should be implemented to mitigate this risk.

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Deploy the Patch

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-2020-19596 - Proof of Concept

References

https://www.0x90.zone/binary/reverse/exploitation/2020/08...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
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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