High severity7.3NVD Advisory· Published Feb 12, 2020· Updated Jun 17, 2026
CVE-2020-8595
CVE-2020-8595
Description
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 configured to be only accessed after presenting a valid JWT token. For example, an attacker can add a ? or # character to a URI that would otherwise satisfy an exact-path match.
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Affected products
4- cpe:2.3:a:redhat:openshift_service_mesh:1.0:*:*:*:*:*:*:*
- Istio/Istiodescription
Patches
Vulnerability mechanics
References
6- github.com/istio/istio/commits/masternvdPatch
- istio.io/news/security/istio-security-2020-001/nvdPatchVendor Advisory
- access.redhat.com/errata/RHSA-2020:0477nvdThird Party Advisory
- access.redhat.com/security/cve/cve-2020-8595nvdMitigationThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingMitigationThird Party Advisory
- istio.io/news/security/nvdVendor Advisory
News mentions
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