What is CVE-2020-4706?

CVE-2020-4706 is a medium-severity vulnerability in IBM API Connect, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-17.

How severe is CVE-2020-4706?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in IBM API Connect

CVE-2020-4706

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (57.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Ibm Api Connect — versions 5.0.0.0, 5.0.8.10
Ibm Api_connect

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@us.ibm.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@us.ibm.com (VDB Entry, vdb-entry, x_refsource_XF)

Frequently asked questions

What is CVE-2020-4706?: CVE-2020-4706 is a medium-severity vulnerability in IBM API Connect, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-17.
How severe is CVE-2020-4706?: Medium severity. CVSS v3 base score is 5.4 out of 10.