What is CVE-2021-38997?

CVE-2021-38997 is a medium-severity vulnerability in Ibm Api Connect, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.4/10. Published 2022-12-12.

How severe is CVE-2021-38997?

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

Vulnerability in Ibm Api Connect

CVE-2021-38997

IBM API Connect V10.0.0.0 through V10.0.5.0, V10.0.1.0 through V10.0.1.7, and V2018.4.1.0 through 2018.4.1.19 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 213212.

EPSS: 0.004 (30.8th 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 10.0.0.0, 10.0.1.0, 2018.4.1.0
Ibm Api_connect

Weakness classification (CWE)

References

psirt@us.ibm.com (vendor-advisory, Patch, Vendor Advisory)
psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38997?: CVE-2021-38997 is a medium-severity vulnerability in Ibm Api Connect, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.4/10. Published 2022-12-12.
How severe is CVE-2021-38997?: Medium severity. CVSS v3 base score is 5.4 out of 10.