What’s Vulnerable › Vulnerabilities

CVE-2017-5660

• Severity: high (CVSS 8.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-02-27 · updated 2026-06-17
• Weakness: CWE-20

Description

There is a vulnerability in Apache Traffic Server (ATS) 6.2.0 and prior and 7.0.0 and prior with the Host header and line folding. This can have issues when interacting with upstream proxies and the wrong host being used.

Affected products

• Apache Software Foundation Apache Traffic Server: through 6.2.0; 6.2.1, 6.2.1-rc0, 6.2.2, 6.2.2-rc0, 7.0.0, 7.0.0-rc0 (+2)
• Debian Linux: 9.0

References

• https://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98%40%3Cdev.trafficserver.apache.org%3E
• https://www.debian.org/security/2018/dsa-4128
• https://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98%40%3Cdev.trafficserver.apache.org%3E
• https://www.debian.org/security/2018/dsa-4128

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