What is CVE-2017-9803?

CVE-2017-9803 is a high-severity vulnerability in Apache Solr, classified under Improper Authentication. CVSS score: 7.5/10. Published 2017-09-18.

How severe is CVE-2017-9803?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Apache Solr

CVE-2017-9803

Apache Solr's Kerberos plugin can be configured to use delegation tokens, which allows an application to reuse the authentication of an end-user or another application. There are two issues with this functionality (when using SecurityAware…

Vulnerability class: Broken Authentication

EPSS: 0.012 (79.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Solr — versions 6.2.0, 6.2.1, 6.3.0
Apache Software Foundation Solr — versions 6.2.0 to 6.6.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
security@apache.org (mailing-list, x_refsource_MLIST)

Frequently asked questions

What is CVE-2017-9803?: CVE-2017-9803 is a high-severity vulnerability in Apache Solr, classified under Improper Authentication. CVSS score: 7.5/10. Published 2017-09-18.
How severe is CVE-2017-9803?: High severity. CVSS v3 base score is 7.5 out of 10.