What is CVE-2020-13955?

CVE-2020-13955 is a medium-severity vulnerability in Apache Calcite, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2020-10-09.

How severe is CVE-2020-13955?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2020-13955 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Apache Calcite

CVE-2020-13955

HttpUtils#getURLConnection method disables explicitly hostname verification for HTTPS connections making clients vulnerable to man-in-the-middle attacks. Calcite uses internally this method to connect with Druid and Splunk so information l…

Vulnerability class: Improper Certificate Validation

EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apache Calcite
N/a Apache Calcite — versions Apache Calcite 0.8 to 1.25

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

Public proof-of-concept exploits

References

security@apache.org (Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-13955?: CVE-2020-13955 is a medium-severity vulnerability in Apache Calcite, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2020-10-09.
How severe is CVE-2020-13955?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2020-13955 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.