Vulnerability in Fleetdm Fleet
CVE-2020-26276
Fleet is an open source osquery manager. In Fleet before version 3.5.1, due to issues in Go's standard library XML parsing, a valid SAML response may be mutated by an attacker to modify the trusted document. This can result in allowing unv…
EPSS: 0.010 (77.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Fleetdm Fleet — versions < 3.5.1
Weakness classification (CWE)
References
- github.com/fleetdm/fleet/security/advisories/GHSA-w3wf-cfx3-6gcx (x_refsource_CONFIRM)
- github.com/fleetdm/fleet/commit/57812a532e5f749c8e18c6f6a652eca65c083607 (x_refsource_MISC)
- github.com/fleetdm/fleet/blob/master/CHANGELOG.md (x_refsource_MISC)
- github.com/mattermost/xml-roundtrip-validator (x_refsource_MISC)
- mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-26276?
- CVE-2020-26276 is a critical-severity vulnerability in Fleetdm Fleet, classified under Authentication Bypass by Spoofing. CVSS score: 10.0/10. Published 2020-12-17.
- How severe is CVE-2020-26276?
- Critical severity. CVSS v3 base score is 10.0 out of 10.