UpHeron
All vulnerabilities

Servers and applications

CVE-2020-17509

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.

Severity
High 7.5
Published
11 Jan 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache Traffic ServerServers and applications · cpe:a:apache:traffic_server
  • From 6.0.0 up to 6.2.3
  • From 7.0.0 up to 7.1.10
  • From 8.0.0 up to 8.0.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-17509
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-17509