CVE-2019-4720 json
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request.
published 2020-01-31 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-14327
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available memory. IBM X-Force ID: 172125.
Patch / fix
- ibm websphere_application_server 20.0.0.2
Exploit prediction
1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/AC:L/C:N/I:N/PR:N/A:H/AV:N/UI:N/S:U/E:U/RC:C/RL:O |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- IBM WebSphere Application Server
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
ibm.com
/support/pages/node/1285372
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/172125
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2019-4720
- NVD CVE-2019-4720
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.