IBM API Connect <10.0.5.0: HTTP Header Injection Vulnerability
CVE-2021-38997 Published on December 12, 2022
IBM API Connect HOST header injection
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.
Vulnerability Analysis
CVE-2021-38997 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Improper Neutralization of HTTP Headers for Scripting Syntax
The application does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash.
Products Associated with CVE-2021-38997
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Affected Versions
IBM API Connect:- Version 10.0.0.0 and below 10.0.5.0 is affected.
- Version 10.0.1.0 and below 10.0.1.7 is affected.
- Version 2018.4.1.0 and below 2018.4.1.19 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.