High severity · published Feb 27, 2018
CVE-2017-5660
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
8.6
CVSS
1.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
TS
Traffic Server · Apache
through 6.2.0; 6.2.1; 6.2.1; 6.2.2; 6.2.2; 7.0.0; +3 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5660
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5660
lists.apache.org
https://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98%40%3Cdev.trafficserver.apache.org%3E
Third Party Advisory
https://www.debian.org/security/2018/dsa-4128
More from Traffic Server
10.0
CVE-2026-58162
Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates
10.0
CVE-2026-58150
Apache Traffic Server: HTTP/2 requests with Transfer-Encoding are not rejected, allowing request smuggling
10.0
CVE-2026-57834
Apache Traffic Server: Malformed chunked message body allows request smuggling
9.8
CVE-2026-58185
Apache Traffic Server: Use-after-free in the intercept plugin
9.8
CVE-2026-58179
Apache Traffic Server: regex_remap plugin overflows the stack from attacker input