Auth bypass in Istio
CVE-2020-8595
Istio versions 1.2.10 (End of Life) and prior, 1.3 through 1.3.7, and 1.4 through 1.4.3 allows authentication bypass. The Authentication Policy exact-path matching logic can allow unauthorized access to HTTP paths even if they are configur…
Vulnerability class: Broken Authentication
EPSS: 0.026 (83.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Istio
- Redhat Enterprise_linux — versions 8.0
- Redhat Openshift_service_mesh — versions 1.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Mitigation)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation, Issue Tracking)
Frequently asked questions
- What is CVE-2020-8595?
- CVE-2020-8595 is a high-severity vulnerability in Istio, classified under Improper Authentication. CVSS score: 7.3/10. Published 2020-02-12.
- How severe is CVE-2020-8595?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2020-8595 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.