What is the CVSS score of CVE-2023-43477?

CVE-2023-43477 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 15.7%.

Is there a public PoC exploit available for CVE-2023-43477?

Yes, a public proof-of-concept exploit is available for CVE-2023-43477. Prioritise patching immediately. EPSS: 15.7%.

Arcadyan Lh1000 Firmware CVE-2023-43477

HIGH

Command Injection (CWE-77)

2023-09-20 vulnreport@tenable.com

Command Injection Arcadyan Lh1000 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 20, 2023 - 13:15 nvd

HIGH 8.8

DescriptionNVD

The ping_from parameter of ping_tracerte.cgi in the web UI of Telstra Smart Modem Gen 2 (Arcadyan LH1000), firmware versions < 0.18.15r, was not properly sanitized before being used in a system call, which could allow an authenticated attacker to achieve command injection as root on the device.

AnalysisAI

The ping_from parameter of ping_tracerte.cgi in the web UI of Telstra Smart Modem Gen 2 (Arcadyan LH1000), firmware versions < 0.18.15r, was not properly sanitized before being used in a system call,. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. The ping_from parameter of ping_tracerte.cgi in the web UI of Telstra Smart Modem Gen 2 (Arcadyan LH1000), firmware versions < 0.18.15r, was not properly sanitized before being used in a system call, which could allow an authenticated attacker to achieve command injection as root on the device. Affected products include: Telstra Arcadyan Lh1000 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.