Vulnerability Details CVE-2021-39206
Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, contains two authorization related vulnerabilities CVE-2021-32777 and CVE-2021-32779. This may lead to incorrect routing or authorization policy decisions. With specially crafted requests, incorrect authorization or routing decisions may be made by Pomerium. Pomerium v0.14.8 and v0.15.1 contain an upgraded envoy binary with these vulnerabilities patched. This issue can only be triggered when using path prefix based policy. Removing any such policies should provide mitigation.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 38.2%
CVSS Severity
CVSS v3 Score 8.6
CVSS v2 Score 5.0
References
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8h
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9
- https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fm
- https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8h
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9
- https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fm
- https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
Products affected by CVE-2021-39206
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cpe:2.3:a:envoyproxy:envoy:-
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cpe:2.3:a:envoyproxy:envoy:1.0.0
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cpe:2.3:a:envoyproxy:envoy:1.1.0
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cpe:2.3:a:envoyproxy:envoy:1.10.0
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cpe:2.3:a:envoyproxy:envoy:1.11.0
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cpe:2.3:a:envoyproxy:envoy:1.11.1
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cpe:2.3:a:envoyproxy:envoy:1.11.2
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cpe:2.3:a:envoyproxy:envoy:1.12.0
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cpe:2.3:a:envoyproxy:envoy:1.12.1
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cpe:2.3:a:envoyproxy:envoy:1.12.2
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cpe:2.3:a:envoyproxy:envoy:1.12.3
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cpe:2.3:a:envoyproxy:envoy:1.12.4
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cpe:2.3:a:envoyproxy:envoy:1.12.5
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cpe:2.3:a:envoyproxy:envoy:1.12.6
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cpe:2.3:a:envoyproxy:envoy:1.12.7
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cpe:2.3:a:envoyproxy:envoy:1.13.0
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cpe:2.3:a:envoyproxy:envoy:1.13.1
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cpe:2.3:a:envoyproxy:envoy:1.13.2
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cpe:2.3:a:envoyproxy:envoy:1.13.3
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cpe:2.3:a:envoyproxy:envoy:1.13.4
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cpe:2.3:a:envoyproxy:envoy:1.13.5
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cpe:2.3:a:envoyproxy:envoy:1.13.6
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cpe:2.3:a:envoyproxy:envoy:1.13.7
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cpe:2.3:a:envoyproxy:envoy:1.13.8
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cpe:2.3:a:envoyproxy:envoy:1.14.0
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cpe:2.3:a:envoyproxy:envoy:1.14.1
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cpe:2.3:a:envoyproxy:envoy:1.14.2
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cpe:2.3:a:envoyproxy:envoy:1.14.3
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cpe:2.3:a:envoyproxy:envoy:1.14.4
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cpe:2.3:a:envoyproxy:envoy:1.14.5
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cpe:2.3:a:envoyproxy:envoy:1.14.6
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cpe:2.3:a:envoyproxy:envoy:1.14.7
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cpe:2.3:a:envoyproxy:envoy:1.15.0
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cpe:2.3:a:envoyproxy:envoy:1.15.1
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cpe:2.3:a:envoyproxy:envoy:1.15.2
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cpe:2.3:a:envoyproxy:envoy:1.15.3
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cpe:2.3:a:envoyproxy:envoy:1.15.4
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cpe:2.3:a:envoyproxy:envoy:1.15.5
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cpe:2.3:a:envoyproxy:envoy:1.16.0
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cpe:2.3:a:envoyproxy:envoy:1.16.1
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cpe:2.3:a:envoyproxy:envoy:1.16.2
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cpe:2.3:a:envoyproxy:envoy:1.16.3
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cpe:2.3:a:envoyproxy:envoy:1.16.4
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cpe:2.3:a:envoyproxy:envoy:1.17.0
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cpe:2.3:a:envoyproxy:envoy:1.17.1
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cpe:2.3:a:envoyproxy:envoy:1.17.2
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cpe:2.3:a:envoyproxy:envoy:1.17.3
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cpe:2.3:a:envoyproxy:envoy:1.18.0
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cpe:2.3:a:envoyproxy:envoy:1.18.1
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cpe:2.3:a:envoyproxy:envoy:1.18.2
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cpe:2.3:a:envoyproxy:envoy:1.18.3
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cpe:2.3:a:envoyproxy:envoy:1.19.0
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cpe:2.3:a:envoyproxy:envoy:1.2.0
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cpe:2.3:a:envoyproxy:envoy:1.3.0
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cpe:2.3:a:envoyproxy:envoy:1.4.0
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cpe:2.3:a:envoyproxy:envoy:1.5.0
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cpe:2.3:a:envoyproxy:envoy:1.6.0
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cpe:2.3:a:envoyproxy:envoy:1.7.0
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cpe:2.3:a:envoyproxy:envoy:1.7.1
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cpe:2.3:a:envoyproxy:envoy:1.8.0
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cpe:2.3:a:envoyproxy:envoy:1.9.0
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cpe:2.3:a:envoyproxy:envoy:1.9.1
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cpe:2.3:a:pomerium:pomerium:0.11.0
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cpe:2.3:a:pomerium:pomerium:0.11.1
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cpe:2.3:a:pomerium:pomerium:0.12.0
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cpe:2.3:a:pomerium:pomerium:0.12.1
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cpe:2.3:a:pomerium:pomerium:0.12.2
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cpe:2.3:a:pomerium:pomerium:0.13.0
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cpe:2.3:a:pomerium:pomerium:0.13.1
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cpe:2.3:a:pomerium:pomerium:0.13.2
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cpe:2.3:a:pomerium:pomerium:0.13.3
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cpe:2.3:a:pomerium:pomerium:0.13.4
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cpe:2.3:a:pomerium:pomerium:0.13.5
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cpe:2.3:a:pomerium:pomerium:0.13.6
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cpe:2.3:a:pomerium:pomerium:0.14.0
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cpe:2.3:a:pomerium:pomerium:0.14.1
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cpe:2.3:a:pomerium:pomerium:0.14.2
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cpe:2.3:a:pomerium:pomerium:0.14.3
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cpe:2.3:a:pomerium:pomerium:0.14.4
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cpe:2.3:a:pomerium:pomerium:0.14.5
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cpe:2.3:a:pomerium:pomerium:0.14.6
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cpe:2.3:a:pomerium:pomerium:0.14.7
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cpe:2.3:a:pomerium:pomerium:0.15.0