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…

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.

Scores

EPSS (exploitation in 30 days)

2.6% · top 14% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.

Weakness

• n/a
• CWE-287 (opens in a new tab)All about CWE-287 and its CVEs

Affected products

• n/a

  • affected n/a

References (6)

• https://github.com/istio/istio/commits/master (opens in a new tab)x_refsource_MISCx_transferred
• https://istio.io/news/security/ (opens in a new tab)x_refsource_MISCx_transferred
• RHSA-2020:0477 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://access.redhat.com/security/cve/cve-2020-8595 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://istio.io/news/security/istio-security-2020-001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-8595 (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2020-8595](https://trackcve.app/badge/CVE-2020-8595.svg)](https://trackcve.app/cve/CVE-2020-8595)

Record last updated 4 Aug 2024, 10:03 UTC.