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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (30.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
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
- www.ibm.com/support/pages/node/6842621 (vendor-advisory, Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/213212 (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.