What is the CVSS score of CVE-2021-42538?

CVE-2021-42538 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: 0.9%.

Is there a patch available for CVE-2021-42538?

Yes, a patch is available for CVE-2021-42538. Update the affected software to the latest version immediately.

Wireless 1410 Gateway Firmware CVE-2021-42538

HIGH

OS Command Injection (CWE-78)

2021-10-22 ics-cert@hq.dhs.gov

Command Injection Wireless 1410 Gateway Firmware Wireless 1410D Gateway Firmware Wireless 1420 Gateway 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

Oct 22, 2021 - 14:15 nvd

HIGH 8.8

DescriptionNVD

The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.

AnalysisAI

The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This OS Command Injection vulnerability could allow attackers to execute arbitrary operating system commands on the host.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input. Affected products include: Emerson Wireless 1410 Gateway Firmware, Emerson Wireless 1410D Gateway Firmware, Emerson Wireless 1420 Gateway Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.