Is CVE-2018-16221 actively exploited?

CVE-2018-16221 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-16221?

CVE-2018-16221 has a CVSS score of 8 (HIGH severity). Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-16221?

Patch guidance is available from yealink security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-16221.

Which products are affected by CVE-2018-16221?

1 product: yealink ultra-elegant ip phone sip-t41p firmware.

Fix CVE-2018-16221 - HIGH | CVEDatabase.com

Description

The diagnostics web interface in the Yeahlink Ultra-elegant IP Phone SIP-T41P (firmware 66.83.0.35) does not validate (escape) the path information (path traversal), which allows an authenticated remote attacker to get access to privileged information (e.g., /etc/passwd) via path traversal (relative path information in the file parameter of the corresponding POST request).

CVSS Metrics

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: adjacent network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-22 · Path Traversal

Metadata

Primary Vendor: YEALINK
Published: 5/29/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2018-16221

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary