CVE-2019-4271 json
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 Admin console is vulnerable to a Client-side HTTP parameter pollution vulnerability.
published 2019-09-17 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13878
- cvss
- 3.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 Admin console is vulnerable to a Client-side HTTP parameter pollution vulnerability. IBM X-Force ID: 160243.
Patch / fix
- ibm.com/support/pages/node/884040 advisory
Exploit prediction
0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 3.5 | CVSS:3.0/AC:L/S:U/AV:N/C:N/PR:L/I:L/UI:R/A:N/RL:O/E:U/RC:C |
| NVD | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
| CNA | 3.0 | 3.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- IBM WebSphere Application Server
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
ibm.com
/support/pages/node/884040
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/160243
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2019-4271
- NVD CVE-2019-4271
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