Vulnerability Monitor

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CVE-2021-39204

Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset. This can result in a DoS condition. Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched.

Published

2021-09-09T22:15:09.773

Last Modified

2024-11-21T06:18:53.640

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-834
  • Type: Primary
    CWE-834
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application envoyproxy envoy ≤ 1.16.4 Yes
Application envoyproxy envoy < 1.17.4 Yes
Application envoyproxy envoy < 1.18.4 Yes
Application envoyproxy envoy 1.19.0 Yes
Application pomerium pomerium < 0.14.8 Yes
Application pomerium pomerium 0.15.0 Yes
References