What is the vulnerability ID of this security issue?

The vulnerability ID of this security issue is CVE-2020-17509.

What is the severity level of CVE-2020-17509?

CVE-2020-17509 has a severity level of high.

What is the recommended action to mitigate this vulnerability?

It is recommended to upgrade Apache Traffic Server to a version that is not affected by this vulnerability or disable the ATS negative cache option.

Where can I find more information about CVE-2020-17509?

You can find more information about CVE-2020-17509 at the following URL: https://lists.apache.org/thread.html/raa9f0589c26c4d146646425e51e2a33e1457492df9f7ea2019daa6d3%40%3Cannounce.trafficserver.apache.org%3E

Vulnerability/
CVE-2020-17509

high

7.5

CWE

444

11/1/2021

4/8/2024

CVE-2020-17509

First published: Mon Jan 11 2021(Updated: )

ATS negative cache option is vulnerable to a cache poisoning attack. If you have this option enabled, please upgrade or disable this feature. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.

Credit: security@apache.org

Affected Software	Affected Version	How to fix
Apache Traffic Server	>=6.0.0<=6.2.3
Apache Traffic Server	>=7.0.0<=7.1.10
Apache Traffic Server	>=8.0.0<=8.0.7

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Reference Links

https://lists.apache.org/thread.html/raa9f0589c26c4d146646425e51e2a33e1457492df9f7ea2019daa6d3%40%3Cannounce.trafficserver.apache.org%3E

Frequently Asked Questions

What is the vulnerability ID of this security issue?
The vulnerability ID of this security issue is CVE-2020-17509.
What is the severity level of CVE-2020-17509?
CVE-2020-17509 has a severity level of high.
How is Apache Traffic Server affected by this vulnerability?
Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected by this vulnerability.
What is the recommended action to mitigate this vulnerability?
It is recommended to upgrade Apache Traffic Server to a version that is not affected by this vulnerability or disable the ATS negative cache option.
Where can I find more information about CVE-2020-17509?
You can find more information about CVE-2020-17509 at the following URL: https://lists.apache.org/thread.html/raa9f0589c26c4d146646425e51e2a33e1457492df9f7ea2019daa6d3%40%3Cannounce.trafficserver.apache.org%3E

collector/nvd-index
agent/softwarecombine
agent/type
collector/mitre-cve
source/MITRE
agent/references
agent/last-modified-date
agent/severity
agent/author
agent/weakness
agent/tags
agent/event
agent/description
agent/first-publish-date
vendor/apache
canonical/apache traffic server
version/apache traffic server/6.0.0
version/apache traffic server/6.2.3
version/apache traffic server/7.0.0
version/apache traffic server/7.1.10
version/apache traffic server/8.0.0
version/apache traffic server/8.0.7

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