CVE-2020-4896

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-07 · updated 2026-06-17
Weakness: CWE-20

Description

IBM Emptoris Sourcing 10.1.0, 10.1.1, and 10.1.3 is vulnerable to web cache poisoning, caused by improper input validation by modifying HTTP request headers. IBM X-Force ID: 190987.

Affected products

IBM Emptoris Sourcing: from 10.1.0.0 before 10.1.0.38; from 10.1.1.0 before 10.1.1.35; from 10.1.3.0 before 10.1.3.30 — fixed in 10.1.0.38, 10.1.1.35, 10.1.3.30

How to fix

Upgrade to a fixed version: IBM Emptoris Sourcing 10.1.0.38, 10.1.1.35, 10.1.3.30. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/190987
https://www.ibm.com/support/pages/node/6398284
https://exchange.xforce.ibmcloud.com/vulnerabilities/190987
https://www.ibm.com/support/pages/node/6398284

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