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Vulnerabilities

Vulnerability · CVE-2017-7675

The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M21 and 8.5.0 to 8.5.15 bypassed a number of security checks that prevented directory traversal attacks.

Published Aug 11, 2017 · catalog updated Jun 17, 2026 · The HTTP/2 implementation in

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2017-7675 is not in CISA KEV. FIRST estimates a 10.14% chance of exploitation in the next 30 days. Check whether you run The HTTP/2 implementation in.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The HTTP/2 implementation in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
10.14%
Remediation
Advisory link
Affected products
cpe apache/tomcat

The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M21 and 8.5.0 to 8.5.15 bypassed a number of security checks that prevented directory traversal attacks. It was therefore possible to bypass security constraints using a specially crafted URL.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/tomcat8.5.0
  • cpe apache/tomcat8.5.1
  • cpe apache/tomcat8.5.2
  • cpe apache/tomcat8.5.3
  • cpe apache/tomcat8.5.4
  • cpe apache/tomcat8.5.5

How to fix CVE-2017-7675

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-7675 is not in CISA KEV. FIRST estimates a 10.14% chance of exploitation in the next 30 days. Check whether you run The HTTP/2 implementation in.

Which versions are affected?

Compare what you have installed with 8.5.0, 8.5.1, 8.5.2, 8.5.3, 8.5.4, 8.5.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 10.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Apache Tomcat security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 11, 2017 · Monitored products — critical

    Detected

    The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M21 and 8.5.0 to 8.5.15 bypassed a number of security checks that prevented directory traversal attacks. It was therefore possible to bypass security constraints using a specially crafted URL.

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M21 and 8.5.0 to 8.5.15 bypassed a number of security checks that prevented directory traversal attacks. It was therefore possible to bypass security constraints using a specially crafted URL.

Sources

  • CVE.orgVulnerability recordCVE-2017-7675

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-7675

    30-day exploitation probability 10.14%

    first.org
  • Monitored products — criticalVendor advisoryCVE-2017-7675

    The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M21 and 8.5.0 to 8.5.15 bypassed a number of security checks that prevented directory traversal attacks. It was therefore possible to bypass security constraints using a specially crafted URL.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • Monitored products — criticalNov 3, 2026