PT-2020-11079 · Wago · Wago Pfc 200

Published 2020-03-10 · Updated 2020-03-18 · CVE-2019-5156

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions WAGO PFC200 versions 03.00.39(12) through 03.02.02(14)

Description An exploitable command injection issue exists in the cloud connectivity functionality. An attacker can inject operating system commands into the TimeoutPrepared parameter value contained in the firmware update command.

Recommendations For versions 03.00.39(12) through 03.02.02(14), consider restricting access to the firmware update command to minimize the risk of exploitation. As a temporary workaround, avoid using the TimeoutPrepared parameter in the firmware update command until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2019-5156

Affected Products

Wago Pfc 200

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0949 · Exploit
• https://osv.dev/vulnerability/CVE-2019-5156 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-5156 · Security Note
• https://t.me/cvenotify/1532 · Telegram Post