CVE-2019-12098
mediumpriority · track · 31EPSS 0.020 · 80 %ileEURUUSEPSS · scored 2026-10-28
In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–7.4
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (39)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.htmlcnnvd
- http://www.debian.org/security/2019/dsa-4455cnnvd
- http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.htmlcnnvd
- https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cfcnnvd
- https://github.com/heimdal/heimdal/compare/3e58559...bbafe72cnnvd
- https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0cnnvd
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