CVE-2017-5660

HIGHNVD 8.68.6—

8.6

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 v3: 8.6
EG Score: 8.6(medium)
EPSS: 85.9%
KEV: Not listed

Published

February 27, 2018

Last Modified

November 21, 2024

References (4)

security@apachehttps://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98%40%3Cdev.trafficserver.apache.org%3E
security@apachehttps://www.debian.org/security/2018/dsa-4128
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98%40%3Cdev.trafficserver.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4128

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-08 14:14 UTCepss_batch
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2026-06-07 15:22 UTCepss_batch
2026-06-07 15:22 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
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2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
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2026-05-31 22:28 UTCepss_batch
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2026-05-31 00:14 UTCepss_batch
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2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 10:59 UTCEG score recompute

Frequently asked(5)

What is CVE-2017-5660?

CVE-2017-5660 is a high vulnerability published on February 27, 2018. 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.

When was CVE-2017-5660 disclosed?

CVE-2017-5660 was first published in the National Vulnerability Database on February 27, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-5660 actively exploited?

CVE-2017-5660 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-5660?

CVE-2017-5660 has a CVSS v3 base score of 8.6 (NVD).

How do I remediate CVE-2017-5660?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-5660, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2017-5660

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2017-5660?

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Published

Last Modified

References (4)

Frequently asked(5)

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