CRITICAL
CVE-2020-1887
CWE-297Published: March 13, 2020· Updated: Jun 17, 2026
9.1
CVSS v3.1
Official 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.
Technical Analysis
CVE-2020-1887 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.1.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Vendors & Products
linuxfoundation1 product(s)
osquery
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://github.com/osquery/osquery/pull/6197Patch · Third Party Advisory
→
https://www.facebook.com/security/advisories/cve-2020-1887Third Party Advisory
→
https://github.com/osquery/osquery/pull/6197Patch · Third Party Advisory
→
https://www.facebook.com/security/advisories/cve-2020-1887Third Party Advisory
Quick Facts
CVE IDCVE-2020-1887
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-297
CISA KEVNo
Affected1 vendor(s)
PublishedMar 13, 2020
Related CVEs (CWE-297)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-1887 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.