CVE-2020-17509

HIGH

Apache Traffic Server <8.1.0 - Cache Poisoning

Title source: llm

Description

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.

References (1)

[Mailing List, Vendor Advisory] https://lists.apache.org/thread.html/raa9f0589c26c4d146646425e51e2a33e1457492df9f7ea2019daa6d3%40%3Cannounce.trafficserver.apache.org%3E

Scores

CVSS v3 7.5

EPSS 0.0305

EPSS Percentile 86.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE

CWE-444

Status published

Products (1)

apache/traffic_server 6.0.0 - 6.2.3

Published Jan 11, 2021

Tracked Since Feb 18, 2026