CVE-2017-8055 Information disclosure in n/a

What is CVE-2017-8055?

CVE-2017-8055 is a medium-severity vulnerability in Watchguard Fireware, published on 22 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WatchGuard Fireware allows user enumeration, e.g., in the Firebox XML-RPC login handler. A login request that contains a blank password sent to the XML-RPC agent in Fireware v11.12.1 and earlier returns different responses for valid and invalid usernames. An attacker could exploit this vulnerability to enumerate valid usernames on an affected Firebox.

Weakness: CWE-203

Which versions are affected by CVE-2017-8055?

It affects 1 product.

Products include Watchguard Fireware.

How do I fix CVE-2017-8055?

No fix has been published for CVE-2017-8055 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-8055 being exploited?

There is no known exploitation of CVE-2017-8055 in the wild and no public exploit code.

Other vulnerabilities in Watchguard Fireware

• CVE-2022-26318 WatchGuard Firebox and XTM Appliances Arbitrary Code Execution Exploited Critical 9.8
• CVE-2025-14733 WatchGuard Firebox Out of Bounds Write Exploited Critical 9.3
• CVE-2025-9242 WatchGuard Firebox Out-of-Bounds Write Exploited Critical 9.3
• CVE-2022-23176 WatchGuard Firebox and XTM Privilege Escalation Exploited High 8.8
• CVE-2022-31789 Integer overflow in n/a Critical 9.8

All Watchguard Fireware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v893-q2rg-wwfx.