Vulnerability in Facebook Osquery

CVE-2020-1887

Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.

EPSS: 0.013 (66.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-1887?
CVE-2020-1887 is a critical-severity vulnerability in Facebook Osquery, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 9.1/10. Published 2020-03-13.
How severe is CVE-2020-1887?
Critical severity. CVSS v3 base score is 9.1 out of 10.