Deserialization in IBM Websphere Application Server

CVE-2020-4464

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector. IBM X-Force ID: 181489.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.132 (96.3th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-4464: held from 0.132 to 0.132.

EPSS over last 30 days · oldest: 0.132 · newest: 0.132 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-4464?
CVE-2020-4464 is a high-severity vulnerability in IBM Websphere Application Server, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2020-07-17.
How severe is CVE-2020-4464?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-4464 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.