Vulnerability · Published Jun 22, 2020 · Assigned by redhat

CVE-2020-1727

Medium 6.4

In plain English

A medium-severity improper input validation in keycloak from [UNKNOWN]. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)6.4Medium

Exploit odds (30 days)0.8%top 43.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
[UNKNOWN]	keycloak	Versions before 9.0.2

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1727 x_refsource_CONFIRM