CVE-2020-1887: facebook osquery
CVSS: 9.1v3.1CriticalModified
Published 12-03-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-1887 is a critical (CVSS 9.1) vulnerability in facebook osquery. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 75% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
1.57%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-03-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NSourcesSingle source
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.57%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.57% on 19-09-2026
19-09-202619-10-2026
EPSS score1.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-297Improper Validation of Certificate with Host MismatchThe product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.
- CWE-295Improper Certificate ValidationThe product does not validate, or incorrectly validates, a certificate.
Affected systems
Facebook1 product
- osquery4.2.0 | ≥ next of 2.9.0, < unspecified | 2.9.0
Linuxfoundation1 product
- osquery> 2.9.0, < 4.2.0
2 vendors · 2 products