CVE-2020-4305

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-09 · updated 2026-06-17
Weakness: CWE-502

Description

IBM InfoSphere Information Server 11.3, 11.5, and 11.7 could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 176677.

Affected products

IBM InfoSphere Information Server: from 11.7.0.0 through 11.7.1.1; 11.3.0, 11.5.0
IBM InfoSphere Information Server on Cloud: from 11.7.0.0 through 11.7.1.1; 11.5.0.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/176677
https://www.ibm.com/support/pages/node/6244664
https://exchange.xforce.ibmcloud.com/vulnerabilities/176677
https://www.ibm.com/support/pages/node/6244664

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