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  3. CVE-2022-23176
Exploited in the wildVPNs, firewalls & gatewaysWork IT

CVE-2022-23176 WatchGuard Firebox and XTM: privilege escalation

In plain words: Something running with limited rights can promote itself to full control. Turns a small foothold (like a malicious app) into administrator or system-level access.

Confirmed exploited by CISA on · US federal patch deadline May 2, 2022

What to do

  1. Install WatchGuard's security update for Firebox and XTM. If no update exists, follow the vendor's workaround or stop using the product until one ships.
  2. Patch edge devices first — attackers often start scanning for them within hours of a fix.
  3. Never expose the device's admin page to the internet.
  4. After patching a device that was exposed, follow the vendor's compromise checks, end active sessions and change passwords.

Who is affected

Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

What's at risk: They face the internet and guard the whole network, so a flaw here can hand attackers a way in — and these devices usually run no antivirus, so break-ins go unnoticed.

The details

Official name
WatchGuard Firebox and XTM Privilege Escalation Vulnerability
Product
WatchGuard Firebox and XTM
CISA description
WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged credentials to access the system with a privileged management session via exposed management access.
Type of flaw
Privilege escalation
Confirmed exploited
Apr 11, 2022
US federal patch deadline
May 2, 2022

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Answering about CVE-2022-23176 ·

Questions about CVE-2022-23176

Is CVE-2022-23176 being exploited?

Yes. CISA added CVE-2022-23176 to its Known Exploited Vulnerabilities catalog on Apr 11, 2022, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2022-23176?

Install WatchGuard's security update for Firebox and XTM. If no update exists, follow the vendor's workaround or stop using the product until one ships. Patch edge devices first — attackers often start scanning for them within hours of a fix.

Am I affected by CVE-2022-23176?

Only if you use WatchGuard Firebox and XTM. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

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