PT-2023-14054 · Unknown · Weston Embedded Uc-Ftps

Kelly Leuschner · Published 2023-05-10 · Updated 2023-05-18 · CVE-2022-41985

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Weston Embedded uC-FTPs version 1.98.00

Description An authentication bypass issue exists in the Authentication functionality. A specially crafted set of network packets can lead to authentication bypass and denial of service. An attacker can send a sequence of unauthenticated packets to trigger this issue.

Recommendations For Weston Embedded uC-FTPs version 1.98.00, consider restricting access to the authentication functionality until a patch is available. As a temporary workaround, avoid using the vulnerable authentication mechanism to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

CWE-303

Related Identifiers

CVE-2022-41985

Affected Products

Weston Embedded Uc-Ftps

References · 5

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1680 · Exploit
• https://github.com/weston-embedded/uC-FTPs/pull/1 · Patch
• https://osv.dev/vulnerability/CVE-2022-41985 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-41985 · Security Note
• https://t.me/cibsecurity/63820 · Telegram Post