CVE-2019-4545 Auth bypass in QRadar SIEM
Attackers can spoof identities in IBM QRadar SIEM when Active Directory authentication is enabled, bypassing security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-4545?
CVE-2019-4545 is a high-severity authentication bypass vulnerability in Ibm Qradar Security Information and Event Manager, published on 8 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM QRadar SIEM 7.3 and 7.4 when configured to use Active Directory Authentication may be susceptible to spoofing attacks. IBM X-Force ID: 165877.
Which versions are affected by CVE-2019-4545?
It affects 1 product.
Products include Ibm Qradar Security Information and Event Manager.
How do I fix CVE-2019-4545?
No fix has been published for CVE-2019-4545 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2019-4545 being exploited?
There is no known exploitation of CVE-2019-4545 in the wild and no public exploit code.
Other vulnerabilities in Ibm Qradar Security Information and Event Manager
- CVE-2019-4210 Auth bypass in QRadar SIEM
- CVE-2014-3062 Code injection in n/a
- CVE-2025-33117 IBM QRadar SIEM command execution
- CVE-2020-4512 Command injection in QRadar SIEM
- CVE-2015-2011 Command injection in n/a
All Ibm Qradar Security Information and Event Manager vulnerabilities
Sources
Also known as GHSA-xgf9-6mx9-6fv3.