CVE-2020-1727 Open redirect in keycloak
Attackers can craft malicious deep links due to insufficient input validation in Keycloak's IDP authorization URLs, potentially redirecting users to malicious sites.
- 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-2020-1727?
CVE-2020-1727 is a medium-severity vulnerability in Redhat Keycloak, published on 22 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Keycloak before 9.0.2, where every Authorization URL that points to an IDP server lacks proper input validation as it allows a wide range of characters. This flaw allows a malicious to craft deep links that introduce further attack scenarios on affected clients.
Weakness: CWE-20
Which versions are affected by CVE-2020-1727?
It affects 1 product.
Products include Redhat Keycloak.
How do I fix CVE-2020-1727?
No fix has been published for CVE-2020-1727 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1727 being exploited?
There is no known exploitation of CVE-2020-1727 in the wild and no public exploit code.
Other vulnerabilities in Redhat Keycloak
- CVE-2022-4361 Keycloak vulnerable to cross-site scripting when validating URI-schemes on SAML and OIDC
- CVE-2022-1245 Keycloak vulnerable to privilege escalation on Token Exchange feature
- CVE-2021-20195 keycloak Self Stored Cross-site Scripting vulnerability
- CVE-2019-14910 Keycloak Authentication Error
- CVE-2019-14909 Keycloak Authentication Error
Sources
Also known as GHSA-pw23-237p-qf6r.