CVE-2020-4450

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 76.78% Top 5%
Vendor Advisory ibmcloud.com Vendor Advisory ibm.com
Affected: IBM WebSphere Application Server
Published at:
Updated at:

References

Link Tags
https://www.ibm.com/support/pages/node/6220294 patch vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/181231 vdb entry vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-689/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-4450?
CVE-2020-4450 has been scored as a critical severity vulnerability.
How to fix CVE-2020-4450?
To fix CVE-2020-4450, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-4450 being actively exploited in the wild?
It is possible that CVE-2020-4450 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~77% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-4450?
CVE-2020-4450 affects IBM WebSphere Application Server.
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