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Servers and applications

CVE-2017-8055

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.

Severity
Medium 5.3
Published
22 Apr 2017
Last changed
17 Jun 2026
Added to UpHeron
3 Nov 2026
Exploit chance
1.6% in the next 30 daysHigher than 75% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
WatchGuard Fireware OSServers and applications · cpe:o:watchguard:fireware
  • Every version up to 11.2.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-8055
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-8055