CVE-2020-4280 json
IBM QRadar SIEM 7.3 and 7.4 could allow a remote attacker to execute arbitrary commands on the system, caused by insecure deserialization o…
published 6y ago modified 4mo ago also EUVD-2020-25527
- cvss
- 6.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 68.5%
- EPSS 68.5% chance of exploitation in 30 days, percentile 99.3%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/6344079 advisory
Is CVE-2020-4280 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
68.52% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- seclists.org http://seclists.org/fulldisclosure/2020/Oct/18 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/159589/QRadar-RemoteJavaScript-Deserialization.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.3 | 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 |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- IBM QRadar SIEM
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
ibm.com
/support/pages/node/6344079
patch, vendor-advisory
-
seclists.org
/fulldisclosure/2020/Oct/18
mailing-list, exploit, third-party-advisory
-
packetstormsecurity.com
/files/159589/QRadar-RemoteJavaScript-Deserialization.html
exploit, third-party-advisory, vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/176140
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4280
- NVD CVE-2020-4280
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.