CVE-2018-2021 json
IBM QRadar SIEM 7.2 and 7.3 is vulnerable to cross-site scripting.
published 2019-07-17 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13876
- cvss
- 6.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
IBM QRadar SIEM 7.2 and 7.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 155345.
Patch / fix
- ibm qradar_security_information_and_event_manager 7.2.8
Exploit prediction
0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.1 | CVSS:3.0/UI:R/AC:L/AV:N/PR:N/S:C/C:L/A:N/I:L/RL:O/E:H/RC:C |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- IBM QRadar SIEM
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
ibm.com
/support/docview.wss?uid=ibm10888117
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/155345
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2018-2021
- NVD CVE-2018-2021
Fencer Vulns 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.