CVE-2017-6594

Name: CVE-2017-6594
Creator: NVD / NIST
Published: 2017-08-28T19:29:01.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.76%

Last modified Jun 17, 2026

CVE-2017-6594 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets.. EPSS estimates a 1.76% chance of exploitation in the next 30 days.

Description

The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.76%

75.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Heimdal Project	Heimdal	<= 7.2.0
Opensuse	Leap	42.2
Opensuse	Leap	42.3

References

http://lists.opensuse.org/opensuse-updates/2017-08/msg00062.htmlThird Party Advisory
http://www.h5l.org/advisories.html?show=2017-04-13Vendor Advisory
https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837Issue Tracking, Patch, Third Party Advisory
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0Issue Tracking, Patch, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2017-08/msg00062.htmlThird Party Advisory
http://www.h5l.org/advisories.html?show=2017-04-13Vendor Advisory
https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837Issue Tracking, Patch, Third Party Advisory
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Aug 28, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-6594?

How severe is CVE-2017-6594?

CVE-2017-6594 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.

How do I fix CVE-2017-6594?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-6594?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST