Grandstream UCM6200 up to 1.0.20.23 HTTPS API HTTP GET Request os command injection

Summaryinfo

A vulnerability was found in Grandstream UCM6200 up to 1.0.20.23. It has been rated as critical. Affected is an unknown function of the component HTTPS API. The manipulation as part of HTTP GET Request leads to os command injection. This vulnerability is referenced as CVE-2020-5758. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Grandstream UCM6200 up to 1.0.20.23. It has been rated as critical. This issue affects an unknown function of the component HTTPS API. The manipulation as part of a HTTP GET Request leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's "Old" HTTPS API.

The weakness was published 07/17/2020 (Website). It is possible to read the advisory at tenable.com. The identification of this vulnerability is CVE-2020-5758 since 01/06/2020. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-157873, VDB-158794 and VDB-158796. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Grandstream

Name

• UCM6200

Version

• 1.0.20.0
• 1.0.20.1
• 1.0.20.2
• 1.0.20.3
• 1.0.20.4
• 1.0.20.5
• 1.0.20.6
• 1.0.20.7
• 1.0.20.8
• 1.0.20.9
• 1.0.20.10
• 1.0.20.11
• 1.0.20.12
• 1.0.20.13
• 1.0.20.14
• 1.0.20.15
• 1.0.20.16
• 1.0.20.17
• 1.0.20.18
• 1.0.20.19
• 1.0.20.20
• 1.0.20.21
• 1.0.20.22
• 1.0.20.23

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion