CVE-2019-4279
CriticalPublic exploitIBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.
Published May 17, 2019 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2019-4279 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting WebSphere Application Server (Ibm).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 80% probability of exploitation in the next 30 days.
- Fixed versions are available, including WebSphere Application Server <=8.5.5.15, WebSphere Application Server 8.5.5.15.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
80%
Higher than 99.6% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-4279 brief as a PDF
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Description
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 160445.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| WebSphere Application ServerIbm | 7.0.0.0, >= 8.5 | 8.5.5.15 |
Patched Releases
WebSphere Application Server
<=8.5.5.15
Timeline
Publicly disclosed
May 17, 2019
Last updated
Nov 21, 2024
Weakness Type
- CWE-502 Deserialization of Untrusted Data
References
FAQ
Common Questions.
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.
Affected: WebSphere Application Server (Ibm) versions 7.0.0.0, >= 8.5. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including WebSphere Application Server <=8.5.5.15, WebSphere Application Server 8.5.5.15.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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