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…
- Published
- Updated
- Reserved
- Assigned by
- ibm
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.
Timeline
ID reserved
By ibm
- 9 months later
· 9 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AC:L/A:L/I:L/C:L/PR:L/UI:N/S:U/AV:N/E:U/RC:C/RL:O |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 68.5% · top 0.7% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
Affected products
- affected 7.3.0
- affected 7.3.3.Patch.4
- affected 7.4.0
- affected 7.4.1
References (4)
- https://www.ibm.com/support/pages/node/6344079 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-qradar-cve20204280-code-exec (176140) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20201016 Java deserialization vulnerability in QRadar RemoteJavaScript Servlet (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- http://packetstormsecurity.com/files/159589/QRadar-RemoteJavaScript-Deserialization.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-4280)Record last updated .