CVE-2021-43826

Published at:
2022-02-22T23:15:10.957

Global infos:

Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling ` and the downstream connection disconnects while the the upstream connection or http/2 stream is still being established. There are no workarounds for this issue. Users are advised to upgrade.

CVE Status: Modified

References:

  • [email protected]
  • [email protected]
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • Metrics:

    AttributeValue
    Attack ComplexityLOW
    Attack VectorNETWORK
    Availability ImpactHIGH
    Base Score7.5
    Base SeverityHIGH
    Confidentiality ImpactNONE
    Integrity ImpactNONE
    Privileges RequiredNONE
    ScopeUNCHANGED
    User InteractionNONE
    Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Exploitability Score3.9
    Impact Score3.6
    Source[email protected]
    TypeSecondary

    Links:

    Exploit-db
    Github