What is the CVSS score of CVE-2020-5760?

CVE-2020-5760 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.5%.

Is there a public PoC exploit available for CVE-2020-5760?

Yes, a public proof-of-concept exploit is available for CVE-2020-5760. Prioritise patching immediately. EPSS: 5.5%.

Ht801 Firmware CVE-2020-5760

HIGH

OS Command Injection (CWE-78)

2020-07-29 vulnreport@tenable.com

Command Injection Ht801 Firmware Ht802 Firmware Ht812 Firmware Ht814 Firmware Ht818 Firmware Ht813 Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 29, 2020 - 19:15 nvd

HIGH 7.8

DescriptionNVD

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to an OS command injection vulnerability. Unauthenticated remote attackers can execute arbitrary commands as root by crafting a special configuration file and sending a crafted SIP message.

AnalysisAI

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to an OS command injection vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to an OS command injection vulnerability. Unauthenticated remote attackers can execute arbitrary commands as root by crafting a special configuration file and sending a crafted SIP message. Affected products include: Grandstream Ht801 Firmware, Grandstream Ht802 Firmware, Grandstream Ht812 Firmware, Grandstream Ht814 Firmware, Grandstream Ht818 Firmware. Version information: version 1.0.17.5.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.