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CVE-2020-4464

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 13.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-17 · updated 2026-06-17
• Weakness: CWE-502

Description

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.

Affected products

• IBM WebSphere Application Server: from 7.0.0.0 through 7.0.0.45; from 8.0.0.0 through 8.0.0.15; from 8.5.0.0 through 8.5.5.17; from 9.0.0.0 through 9.0.5.4

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/181489
• https://www.ibm.com/support/pages/node/6250059
• https://www.zerodayinitiative.com/advisories/ZDI-20-878/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/181489
• https://www.ibm.com/support/pages/node/6250059
• https://www.zerodayinitiative.com/advisories/ZDI-20-878/

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