⚠ Exploited in the wild
Exploitation observed in the wild. Not yet on CISA KEV.

CVE-2020-4450 — Deserialization of Untrusted Data in IBM Websphere Application Server

CWE-502 — Deserialization of Untrusted Data4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
71.9%
top 1.26%
CISA KEV
Not in KEV
Exploit
Exploited in wild
Active exploitation observed
Affected products
1
IBM Websphere Application Server
Timeline
PublishedJun 5
Latest updateMay 24

Description

IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects. IBM X-Force ID: 181231.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDibm/websphere_application_server8.5.0.0 — 8.5.5.18+1
▶CVEListV5ibm/websphere_application_server8.5, 9.0+1

Patches

Patch: www.ibm.com ↗Patch: www.ibm.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-fvf6-4v5x-94mq: IBM WebSphere Application Server 8↗2022-05-24
▶
CVEList
CVE-2020-4450: IBM WebSphere Application Server 8↗2020-06-05
▶
VulnCheck
IBM websphere_application_server Deserialization of Untrusted Data↗2020
▶
CVE-2020-4450 — Deserialization of Untrusted Data | cvebase