Vulnerability · Published May 15, 2020 · Assigned by redhat
CVE-2020-1758
Medium 5.3
In plain English
A medium-severity security flaw in keycloak from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.9%top 39.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.keycloak:keycloak-parent | 10.0.0 | GHSA-c597-f74m-jgc2 |
Affected products (as reported)
Weakness: CWE-297 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758 x_refsource_CONFIRM
- https://issues.redhat.com/browse/KEYCLOAK-13285 x_refsource_MISC