Auth bypass in Denyall I-Suite
CVE-2017-14706
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.282 (98.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.282 · newest: 0.282 · change: 0.000
Affected products
- Denyall I-Suite — versions 5.5.0, 5.5.9, 5.5.10
- Denyall Web Application Firewall — versions 5.7.0, 6.0.0, 6.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/rapid7/metasploit-framework/pull/8980 (Exploit, Third Party Advisory)
- pentest.blog/advisory-denyall-web-application-firewall-unauthenticated-remote-c… (Technical Description, Exploit, Third Party Advisory)
- www.denyall.com/blog/advisories/advisory-unauthenticated-remote-code-execution-… (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-14706?
- CVE-2017-14706 is a critical-severity vulnerability in Denyall I-Suite, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-09-22.
- How severe is CVE-2017-14706?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-14706 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.