CVE-2016-9198 Denial of service in Cisco Identity Services Engine (ISE)
An unauthenticated remote attacker can cause a denial of service in Cisco Identity Services Engine via its Active Directory integration component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-9198?
CVE-2016-9198 is a high-severity denial of service vulnerability in Cisco Identity Services Engine, published on 14 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Active Directory integration component of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to perform a denial of service (DoS) attack. More Information: CSCuw15041. Known Affected Releases: 1.2(1.199).
Weakness: CWE-399
Which versions are affected by CVE-2016-9198?
It affects 1 product.
Products include Cisco Identity Services Engine.
How do I fix CVE-2016-9198?
No fix has been published for CVE-2016-9198 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-9198 being exploited?
There is no known exploitation of CVE-2016-9198 in the wild and no public exploit code.
Other vulnerabilities in Cisco Identity Services Engine
- CVE-2026-76460 Cisco Identity Services Engine Incorrect Use of Privileged APIs
- CVE-2025-20337 Cisco Identity Services Engine Injection
- CVE-2025-20281 Cisco Identity Services Engine Injection
- CVE-2026-20130 Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities
- CVE-2026-20192 Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
Sources
Also known as GHSA-9pvr-rv53-fw88.