Quantum Secular Labs / Blog / Advisories
CVE-2017-15524: The Application Firewall Pack (AFP, aka Web Application Firewall) component on Kemp Load Balancer devices…
CVE-2017-15524 is rated critical with a CVSS v3.0 base score of 9.1 and affects Kemptechnologies Web Application Firewall. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
The Application Firewall Pack (AFP, aka Web Application Firewall) component on Kemp Load Balancer devices with software before 7.2.40.1 allows a Security Feature Bypass via an HTTP POST request.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: None. No effect on availability.
Affected products
- Kemptechnologies Web Application Firewall: up to and including 7.2.40