Remote Code Execution Flaw in Grandstream UCM6204 Devices
CVE-2019-10662

8.8HIGH

Key Information:

Vendor

Grandstream

Status
Ucm6204 Firmware
Vendor
CVE Published:
30 March 2019

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-10662?

The Grandstream UCM6204 devices are vulnerable to a remote code execution flaw that allows authenticated users to execute arbitrary commands. This situation arises due to a weakness with the handling of the backupUCMConfig file-backup parameter within the URI. If exploited, it enables attackers to send crafted payloads that leverage shell metacharacters. Organizations using affected versions should upgrade to the latest firmware updates to mitigate potential risks.

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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-2019-10662 - Proof of Concept

References

https://www.trustwave.com/en-us/resources/security-resour...
x_refsource_MISC
https://github.com/scarvell/grandstream_exploits
x_refsource_MISC

EPSS Score

9% chance of being exploited in the next 30 days.

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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