CVE-2020-4280
CVSS v3
8.8
HIGH
EPSS Score
73.0 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
IBM QRadar SIEM 7.3 and 7.4 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: 176140.
Technical details
- Published
- 2020-10-08
Frequently asked questions
What is CVE-2020-4280?
IBM QRadar SIEM 7.3 and 7.4 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: 176140.
Is CVE-2020-4280 actively exploited?
Active exploitation of CVE-2020-4280 has not been confirmed. Its EPSS score was 73.0% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-4280?
CVE-2020-4280 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-4280 affecting your environment?
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