VULNERABILITY INTELLIGENCE

CVE-2020-17509

CVSS score7.5 HIGH
EPSS probability1.81%
CISA KEVNot currently listed
Published2021-01-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-444

Primary references