CVE-2017-14706I-Suite Authentication Bypass
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.
Published Sep 22, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-14706 is a critical-severity vulnerability (CVSS 9.8 v3) affecting I-Suite (Denyall), Web Application Firewall (Denyall).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 28% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
28%
Higher than 98.1% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
54/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
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.
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| I-SuiteDenyall | 5.5.0, 5.5.10, 5.5.11, 5.5.12, 5.5.9, 5.6.0 | n/a |
| Web Application FirewallDenyall | 5.7.0, 6.0.0, 6.1.0, 6.2.0, 6.3.0, 6.4.0 | n/a |
Timeline
Publicly disclosed
Sep 22, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-287 Improper Authentication
FAQ
Common Questions.
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.
Affected: I-Suite (Denyall) versions 5.5.0, 5.5.10, 5.5.11, 5.5.12, 5.5.9, 5.6.0; Web Application Firewall (Denyall) versions 5.7.0, 6.0.0, 6.1.0, 6.2.0, 6.3.0, 6.4.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-14706 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo