CVE-2017-8055

Name: CVE-2017-8055
Creator: NVD / NIST
Published: 2017-04-22T22:59:00.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.59%

Last modified Jun 17, 2026

CVE-2017-8055 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.59% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.59%

72.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Watchguard	Fireware	<= 11.2.1

References

http://watchguardsupport.force.com/publicKB?type=KBSecurityIssues&SFDCID=kA62A0000000KlGSAUVendor Advisory
https://packetstormsecurity.com/files/142177/watchguardfbxtm-xxeinject.txtExploit, Third Party Advisory, VDB Entry
https://www.sidertia.com/Home/Community/Blog/2017/04/17/Fixed-the-Fireware-Vulnerabilities-discovered-by-SidertiaExploit, Third Party Advisory
https://www.watchguard.com/support/release-notes/fireware/11/en-US/EN_ReleaseNotes_Fireware_11_12_2/index.htmlRelease Notes, Vendor Advisory
http://watchguardsupport.force.com/publicKB?type=KBSecurityIssues&SFDCID=kA62A0000000KlGSAUVendor Advisory
https://packetstormsecurity.com/files/142177/watchguardfbxtm-xxeinject.txtExploit, Third Party Advisory, VDB Entry
https://www.sidertia.com/Home/Community/Blog/2017/04/17/Fixed-the-Fireware-Vulnerabilities-discovered-by-SidertiaExploit, Third Party Advisory
https://www.watchguard.com/support/release-notes/fireware/11/en-US/EN_ReleaseNotes_Fireware_11_12_2/index.htmlRelease Notes, Vendor Advisory

Timeline

Published: Apr 22, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8055?

How severe is CVE-2017-8055?

Severity scoring for CVE-2017-8055 is pending analysis. The EPSS model estimates a 1.59% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8055?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8055?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST