Auth bypass in Apache Solr

CVE-2020-13957

Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3 and 8.0.0 to 8.6.2 prevents some features considered dangerous (which could be used for remote code execution) to be configured in a ConfigSet that's uploaded via API without authenticati…

Vulnerability class: Broken Access Control

EPSS: 0.789 (99.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Apache Solr
  • N/a Apache Solr — versions Apache Solr 6.6.0 to 6.6.6, 7.0.0 to 7.7.3, 8.0.0 to 8.6.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-13957?
CVE-2020-13957 is a critical-severity vulnerability in Apache Solr, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2020-10-13.
How severe is CVE-2020-13957?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-13957 known to be exploited?
29 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.