CVE-2020-4706 Cross-site scripting in API Connect
Remote attackers can inject HTTP HOST headers in IBM API Connect to execute cross-site scripting, cache poisoning, or session hijacking attacks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-4706?
CVE-2020-4706 is a medium-severity cross-site scripting vulnerability in Ibm Api Connect, published on 17 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2020-4706?
It affects 1 product.
Products include Ibm Api Connect.
How do I fix CVE-2020-4706?
No fix has been published for CVE-2020-4706 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-4706 being exploited?
There is no known exploitation of CVE-2020-4706 in the wild and no public exploit code.
Other vulnerabilities in Ibm Api Connect
Sources
Also known as GHSA-hvpr-gj5q-6q5q.