CVE-2021-41585: ATS stops accepting connections on FreeBSD

Published Nov 3, 2021
·
Updated

Improper Input Validation vulnerability in accepting socket connections in Apache Traffic Server allows an attacker to make the server stop accepting new connections. This issue affects Apache Traffic Server 5.0.0 to 9.1.0.

Affected Software

2 affected components
Apache Traffic Server>=8.0.0<=8.1.2
Apache Traffic Server>=9.0.0<=9.1.0

Event History

Nov 3, 2021
CVE Published
via MITRE·03:20 PM
Data Sourced
via MITRE·03:20 PM
DescriptionWeakness
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2021-41585?

CVE-2021-41585 is an Improper Input Validation vulnerability in Apache Traffic Server that allows an attacker to make the server stop accepting new connections.

2

Which versions of Apache Traffic Server are affected by CVE-2021-41585?

CVE-2021-41585 affects Apache Traffic Server versions 5.0.0 to 9.1.0.

3

How severe is CVE-2021-41585?

CVE-2021-41585 has a severity rating of 7.5 (High).

4

How can I fix CVE-2021-41585?

To fix CVE-2021-41585, users should upgrade to a version of Apache Traffic Server that is not affected by the vulnerability.

5

Where can I find more information about CVE-2021-41585?

More information about CVE-2021-41585 can be found at https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203