What is the CVSS score of CVE-2021-42542?

CVE-2021-42542 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: 1.4%.

Is there a patch available for CVE-2021-42542?

Yes, a patch is available for CVE-2021-42542. Update the affected software to the latest version immediately.

Wireless 1410 Gateway Firmware CVE-2021-42542

HIGH

Path Traversal (CWE-22)

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

Path Traversal 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 directory traversal due to mishandling of provided backup folder structure.

AnalysisAI

The affected product is vulnerable to directory traversal due to mishandling of provided backup folder structure. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Path Traversal vulnerability could allow attackers to access files and directories outside the intended path.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. The affected product is vulnerable to directory traversal due to mishandling of provided backup folder structure. 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. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.