CVE-2020-4888 Deserialization in QRadar SIEM
Remote attackers can execute arbitrary commands on IBM QRadar SIEM systems by sending malicious serialized Java objects due to insecure deserialization.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-4888?
CVE-2020-4888 is a medium-severity unsafe deserialization vulnerability in Ibm Qradar Security Information and Event Manager, published on 28 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM QRadar SIEM 7.4.0 to 7.4.2 Patch 1 and 7.3.0 to 7.3.3 Patch 7 could allow a remote attacker to execute arbitrary commands on the system, caused by insecure deserialization of user-supplied content by the Java deserialization function. By sending a malicious serialized Java object, an attacker could exploit this vulnerability to execute arbitrary commands on the system. IBM X-Force ID: 190912.
Weakness: CWE-502
Which versions are affected by CVE-2020-4888?
It affects 1 product.
Products include Ibm Qradar Security Information and Event Manager.
How do I fix CVE-2020-4888?
No fix has been published for CVE-2020-4888 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-4888 being exploited?
There is no known exploitation of CVE-2020-4888 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-q3rg-74f5-f285.