Vulnerability in Ibm Websphere Application Server

CVE-2020-4589

IBM WebSphere Application Server 7.0, 8.0, 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: 184585.

EPSS: 0.068 (91.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/PR:N/I:H/C:H/A:H/UI:N/AC:H/S:U/AV:N/RC:C/E:U/RL:O.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-4589?
CVE-2020-4589 is a high-severity vulnerability in Ibm Websphere Application Server. CVSS score: 8.1/10. Published 2020-08-13.
How severe is CVE-2020-4589?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-4589 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.