PT-2020-5833 · Ibm · Ibm Websphere Application Server

Published 2020-08-13 · Updated 2022-05-03 · CVE-2020-4589

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: IBM WebSphere Application Server versions 7.0 through 9.0

Description: The issue allows a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. This is due to the lack of measures to neutralize special elements, which can be exploited by a remote attacker to execute arbitrary code.

Recommendations: For IBM WebSphere Application Server versions 7.0 through 9.0, update to a version that includes a fix for this issue, as no specific workaround or mitigation measures are provided in the given information. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Deserialization of Untrusted Data

Special Elements Injection

Weakness Enumeration

CWE-502

CWE-74

Related Identifiers

BDU:2021-01802

CVE-2020-4589

Affected Products

Ibm Websphere Application Server

References · 6

• https://ibm.com/support/pages/node/6258333 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01802 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/184585 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-4589 · Security Note
• https://osv.dev/vulnerability/CVE-2020-4589 · Vendor Advisory
• https://cxsecurity.com/cveshow/CVE-2020-4589 · Note