Improper Authentication Affecting trafficserver package, versions <9.1.0+ds-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.89% (77th percentile)

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  • Snyk IDSNYK-ECHOLATEST-TRAFFICSERVER-18001189
  • published17 Jul 2026
  • disclosed3 Nov 2021

Introduced: 3 Nov 2021

CVE-2021-38161  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade Echo:latest trafficserver to version 9.1.0+ds-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream trafficserver package and not the trafficserver package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.

CVSS Base Scores

version 3.1