CVE-2017-14706

critical

Published 2017-09-22 · Modified 2026-05-13

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CVSS v3

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

Description

DenyAll WAF before 6.4.1 allows unauthenticated remote attackers to obtain authentication information by making a typeOf=debug request to /webservices/download/index.php, and then reading the iToken field in the reply. This affects DenyAll i-Suite LTS 5.5.0 through 5.5.12, i-Suite 5.6, Web Application Firewall 5.7, and Web Application Firewall 6.x before 6.4.1, with On Premises or AWS/Azure cloud deployments.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_linux/http/denyall_waf_exec rank 600

DenyAll Web Application Firewall Remote Code Execution

Source fetch failed: fetch_error — view the original via the link above.

Application impact

Vendor	Product	Versions
denyall	i-suite	`5.5.0`
denyall	i-suite	`5.5.9`
denyall	i-suite	`5.5.10`
denyall	i-suite	`5.5.11`
denyall	i-suite	`5.5.12`
denyall	i-suite	`5.6.0`
denyall	web_application_firewall	`5.7.0`
denyall	web_application_firewall	`6.0.0`
denyall	web_application_firewall	`6.1.0`
denyall	web_application_firewall	`6.2.0`
denyall	web_application_firewall	`6.3.0`
denyall	web_application_firewall	`6.4.0`

References

CWEs

CWE-287

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.