Incorrect Authorization with specially crafted requests
CVE-2021-39206

8.6HIGH

Key Information:

Vendor

Pomerium

Status
Vendor
CVE Published:
9 September 2021

What is 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.

Affected Version(s)

pomerium >= 0.11.0, < 0.14.8 < 0.11.0, 0.14.8

pomerium >= 0.15.0, < 0.15.1 < 0.15.0, 0.15.1

References

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.