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Medium severity5.4NVD Advisory· Published Aug 17, 2021· Updated Jun 17, 2026

CVE-2020-4706

CVE-2020-4706

Description

IBM API Connect 5.0.0.0 through 5.0.8.10 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 187194.

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Affected products

3
  • IBM/API Connect3 versions
    cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*range: >=5.0.0.0,<=5.0.8.10
    • (no CPE)range: 5.0.0.0 - 5.0.8.10
    • (no CPE)range: 5.0.0.0

Patches

Vulnerability mechanics

References

2

News mentions

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