CVE-2020-17510 Authentication bypass in Apache Shiro

Critical 9.8 Published Updated

Attackers can bypass authentication in Apache Shiro when integrated with Spring via specially crafted HTTP requests.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-17510?

CVE-2020-17510 is a critical authentication bypass vulnerability in Debian Debian Linux, published on 5 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Apache Shiro before 1.7.0, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

Weakness: CWE-287

Which versions are affected by CVE-2020-17510?

2 open source packages ship an affected version, including org.apache.shiro:shiro-spring. It affects 2 products.

PackageAffectedFixed in
org.apache.shiro:shiro-spring MavenAll versions1.7.0
org.apache.shiro:shiro-spring MavenAll versions1.7.0

Products include Apache Shiro, Debian Debian Linux.

How do I fix CVE-2020-17510?

Upgrade org.apache.shiro:shiro-spring to 1.7.0 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-17510 being exploited?

There is no known exploitation of CVE-2020-17510 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-17510, GHSA-7cj4-gj8m-m2f7, UBUNTU-CVE-2020-17510.

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