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CVE-2017-7675

23
FAUCET Score

CVE-2017-7675 describes a directory traversal vulnerability in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M21 and 8.5.0 to 8.5.15, specifically within its HTTP/2 implementation. This flaw, rated High severity (CVSS 7.5), allowed attackers to bypass security checks and access restricted directories using specially crafted URLs, potentially leading to unauthorized information disclosure. While the vulnerability has a high CVSS score and a moderate FAUCET Risk Score, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
8.5.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:8.5.0:*:*:*:*:*:*:*
8.5.1CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:8.5.1:*:*:*:*:*:*:*
8.5.2CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:8.5.2:*:*:*:*:*:*:*
8.5.3CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:8.5.3:*:*:*:*:*:*:*
8.5.4CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:8.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
10.14%
Probability of exploitation in next 30 days
EPSS Percentile
95.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1014 is in the 92nd percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 9.0.0.M22
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 8.5.16

Vendor Advisories (2)

mavenGHSA-68g5-8q7f-m384high

Improper Limitation of a Pathname to a Restricted Directory in Apache Tomcat

May 14, 2022
redhatCVE-2017-7675Important

tomcat: Security Constraint Bypass

Aug 10, 2017

References

lists.apache.org / thread.html/1dd0a59c1295cc08ce4c9e7edae5ad2268acc9ba55adcefa0532e5ba%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/5c0e00fd31efc11e147bf99d0f03c00a734447d3b131ab0818644cdb%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/5f8ab8a02f3610bd56ea2b0d69af25cbde451d79c46276c350e05a15%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/d3a5818e8af731bde6a05ef031ed3acc093c6dd7c4bfcc4936eafd6c%40%3Cannounce.tomcat.apache.org%3E
lists.apache.org / thread.html/e85e83e9954f169bbb77b44baae5a33d8de878df557bb32b7f793661%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E
security.netapp.com / advisory/ntap-20180614-0003
debian.org / security/2017/dsa-3974
securityfocus.com / bid/100256
Third Party AdvisoryVDB Entry