7.5

CVE-2017-6594: heimdal_project heimdal Improper Certificate Validation

CVSS: 7.5v3.1HighModified
AliasesMGASA-2017-0308UBUNTU-CVE-2017-6594DEBIAN-CVE-2017-6594
Published 28-08-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-6594 is a high (CVSS 7.5) Improper Certificate Validation vulnerability in heimdal_project heimdal. EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 77.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-08-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

1.76%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.76% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • heimdal< 7.1.0+dfsg-12
Heimdal_project1 product
Mageia1 product
  • heimdal< 1.5.3-6.2.mga5
Opensuse1 product
Ubuntu1 product
  • heimdalAll versions (No fix recorded)

5 vendors · 5 products

References

10 links