PT-2019-9015 · Phoenix Contact · Fl Switch 3Xxx+2

Evgeniy Druzhinin + 2 · Published 2019-05-07 · Updated 2020-08-24 · CVE-2018-13992

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 through 1.34

Description The WebUI of the affected devices allows for plaintext transmission of user credentials by default, which can be done over HTTP.

Recommendations For versions 1.0 through 1.34, consider configuring the WebUI to use encrypted transmission, such as HTTPS, to protect user credentials. As a temporary workaround, restrict access to the WebUI to minimize the risk of exploitation.

Fix

Missing Encryption of Sensitive Data

Weakness Enumeration

CWE-311

Related Identifiers

CVE-2018-13992

Affected Products

Fl Switch 3Xxx

Fl Switch 48Xx

Fl Switch 4Xxx

References · 4

• https://osv.dev/vulnerability/CVE-2018-13992 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-13992 · Security Note
• https://ics-cert.us-cert.gov/advisories/ICSA-19-024-02 · Note
• http://securityfocus.com/bid/106737 · Note