What’s Vulnerable › Vulnerabilities

CVE-2020-17508

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-11 · updated 2026-06-17

Description

The ATS ESI plugin has a memory disclosure vulnerability. If you are running the plugin please upgrade. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.

Affected products

• Apache Software Foundation Apache Traffic Server: from 6.0.0 through 6.2.3; from 7.0.0 through 7.1.11; from 8.0.0 through 8.1.0

References

• https://lists.apache.org/thread.html/r65434f7acca3aebf81b0588587149c893fe9f8f9f159eaa7364a70ff%40%3Cannounce.trafficserver.apache.org%3E
• https://lists.apache.org/thread.html/r65434f7acca3aebf81b0588587149c893fe9f8f9f159eaa7364a70ff%40%3Cannounce.trafficserver.apache.org%3E

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