CVE-2023-28771

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls; https://nvd.nist.gov/vuln/detail/CVE-2023-28771

Remediation deadline: June 21, 2023

Description

Zyxel ATP, USG FLEX, VPN, and ZyWALL/USG firewalls allow for improper error message handling which could allow an unauthenticated attacker to execute OS commands remotely by sending crafted packets to an affected device.

Timeline

Published:May 31st, 2023 12:00 AM

Last modified:May 31st, 2023 12:00 AM

Added to KEV:May 31st, 2023

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Zyxel

Products

Multiple Firewalls

Weaknesses (CWE)

CWE-78

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute